{"id":47898,"date":"2026-03-04T14:26:30","date_gmt":"2026-03-04T06:26:30","guid":{"rendered":"https:\/\/www.amagicsoft.com\/?p=47898"},"modified":"2026-09-10T15:27:38","modified_gmt":"2026-09-10T07:27:38","slug":"ntfs-master-file-table-disk-usage","status":"publish","type":"post","link":"https:\/\/www.amagicsoft.com\/fr\/wiki\/ntfs-master-file-table-disk-usage.html","title":{"rendered":"Pourquoi la taille de $MFT est-elle si importante ? V\u00e9rifier et g\u00e9rer l'utilisation de l'espace disque par la table MFT NTFS"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"47898\" class=\"elementor elementor-47898\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fetysav dtec-docx-root dtec-post-47898 e-flex e-con-boxed e-con e-parent\" data-id=\"fetysav\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-zjfwah1 elementor-widget elementor-widget-text-editor\" data-id=\"zjfwah1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">If <strong>$MFT is taking up several gigabytes of disk space<\/strong> on an NTFS drive, it does not automatically mean something is wrong. The <a href=\"https:\/\/www.amagicsoft.com\/wiki\/ntfs-master-file-table.html\">Master File Table<\/a> grows as Windows creates files and folders, and deleting those files does not normally shrink the MFT back to its previous size.<\/p><p class=\"isSelectedEnd\">The important distinction is between the <strong>actual $MFT file<\/strong>, the reserved <strong>MFT zone<\/strong>, and disk space that Windows may report as being used by other NTFS metadata. The MFT zone itself does not permanently take usable storage away from your files.<\/p><p>In this guide, we\u2019ll explain why <strong>NTFS MFT disk usage<\/strong> becomes large, how to check the actual MFT size, whether you can shrink it, and when unusually high usage may point to a file system problem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0urh52e elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"0urh52e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;exclude_headings_by_selector&quot;:&quot;.faq-no-toc, h2:contains(Data Recovery Assessment)&quot;,&quot;marker_view&quot;:&quot;bullets&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__0urh52e\" aria-expanded=\"true\" aria-label=\"Apri l&#039;indice dei contenuti\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__0urh52e\" aria-expanded=\"true\" aria-label=\"Chiudi l&#039;indice dei contenuti\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__0urh52e\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fzncbyw elementor-widget elementor-widget-heading\" data-id=\"fzncbyw\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quick Answer: Why Is $MFT Taking Up So Much Disk Space?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fiduz5q elementor-widget elementor-widget-text-editor\" data-id=\"fiduz5q\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">A large $MFT is usually the result of a drive having created a very large number of files over time. Every file and directory requires an MFT record. When files are deleted, those records can be reused, but the MFT normally keeps the disk space it has already allocated.<\/p><table><tbody><tr><th>Situation<\/th><th>What It Means<\/th><th>What to Do<\/th><\/tr><tr><td>Large $MFT after millions of files were created<\/td><td>Usually normal NTFS behavior<\/td><td>No repair is normally required<\/td><\/tr><tr><td>Large MFT zone shown by a disk tool<\/td><td>Reserved area, not necessarily consumed space<\/td><td>Do not treat it as lost disk space<\/td><\/tr><tr><td>$MFT is fragmented<\/td><td>May affect file-system efficiency<\/td><td>Optimize the volume if appropriate<\/td><\/tr><tr><td>Disk usage suddenly becomes incorrect<\/td><td>Could indicate NTFS metadata or $Bitmap errors<\/td><td>Check the file system<\/td><\/tr><tr><td>You want to shrink a healthy $MFT<\/td><td>Windows normally cannot reclaim the allocated MFT space on a live volume<\/td><td>Avoid destructive action unless the space is truly critical<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38d9ghg elementor-widget elementor-widget-heading\" data-id=\"38d9ghg\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Does $MFT Disk Usage Actually Mean?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5gkrriv elementor-widget elementor-widget-text-editor\" data-id=\"5gkrriv\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">The Master File Table, or $MFT, is an NTFS metadata file that contains at least one record for every file and directory on the volume. If you only need a general explanation of its structure and purpose, see our guide to the <strong>NTFS Master File Table<\/strong>.<\/p><p class=\"isSelectedEnd\">For disk-space troubleshooting, however, three values should not be confused:<\/p><p class=\"isSelectedEnd\"><strong>Actual MFT size:<\/strong> Disk space currently allocated to the $MFT file.<\/p><p class=\"isSelectedEnd\"><strong>MFT Valid Data Length:<\/strong> The amount of valid MFT data reported by NTFS.<\/p><p class=\"isSelectedEnd\"><strong>MFT zone:<\/strong> Space that NTFS tries to keep available for future MFT growth. It is not permanently removed from the free space available to normal files.<\/p><p>This distinction matters because some disk-analysis tools can make the MFT zone look like unavailable storage even though Windows can use that space when necessary.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-wgwoq7g elementor-widget elementor-widget-heading\" data-id=\"wgwoq7g\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Does the NTFS MFT Become So Large?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-pefx2am elementor-widget elementor-widget-text-editor\" data-id=\"pefx2am\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>1. The Drive Has or Had a Very Large Number of Files<\/h3><p class=\"isSelectedEnd\">The number of files matters much more than their total size. A drive containing millions of cache files, build files, thumbnails, logs, or other small files may need a much larger MFT than a drive containing the same amount of data in several large files.<\/p><p class=\"isSelectedEnd\">Each file or directory requires at least one MFT record, so creating large numbers of files causes the table to grow.<\/p><h3>2. Deleted MFT Records Are Reused, Not Usually Removed<\/h3><p class=\"isSelectedEnd\">Deleting files does not normally shrink the physical <a href=\"https:\/\/www.amagicsoft.com\/wiki\/master-file-table-size.html\">MFT file<\/a>. NTFS marks the corresponding records as available for reuse.<\/p><p class=\"isSelectedEnd\">This explains why a drive that once contained millions of files can still have a multi-gigabyte $MFT even after most of those files have been deleted.<\/p><h3>3. The MFT Has Become Fragmented<\/h3><p class=\"isSelectedEnd\">NTFS reserves an MFT zone to help the table grow contiguously. When the relevant areas of the volume become heavily allocated, the MFT may have to grow in additional locations.<\/p><p>Fragmentation and MFT size are related but different problems. Defragmenting the MFT can reduce fragmentation, but it does not normally reduce the amount of space already allocated to the MFT.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-gxyrrik elementor-widget elementor-widget-heading\" data-id=\"gxyrrik\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Check NTFS MFT Disk Usage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9wd7ks2 elementor-widget elementor-widget-text-editor\" data-id=\"9wd7ks2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">Before trying to reclaim disk space, confirm whether $MFT is actually responsible for the missing storage.<\/p><p class=\"isSelectedEnd\">Open <strong>Command Prompt as Administrator<\/strong> and run:<\/p><p class=\"isSelectedEnd\"><code dir=\"ltr\">fsutil fsinfo ntfsinfo C:<\/code><\/p><p class=\"isSelectedEnd\">Replace <code dir=\"ltr\">C:<\/code> with the NTFS volume you want to inspect.<\/p><p class=\"isSelectedEnd\">Look for information such as:<\/p><ul data-spread=\"false\"><li>MFT Valid Data Length<\/li><li>MFT Start LCN<\/li><li>MFT Zone Start<\/li><li>MFT Zone End<\/li><\/ul><p class=\"isSelectedEnd\">Do not assume that the entire MFT zone represents used disk space. The reserved MFT zone and the actual size of $MFT are different values.<\/p><p>You can also use Microsoft Sysinternals NTFSInfo or a disk-space analyzer to inspect NTFS metadata. If Windows Explorer reports significantly more used space than visible files account for, also consider other NTFS metadata, shadow copies, alternate data streams, and file-system errors.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-hluf0lm elementor-widget elementor-widget-heading\" data-id=\"hluf0lm\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Can You Reduce or Shrink a Large $MFT?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-kxia02g elementor-widget elementor-widget-text-editor\" data-id=\"kxia02g\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">This is the most important point: <strong>a healthy MFT that has already grown usually cannot simply be shrunk on a live NTFS volume.<\/strong><\/p><p class=\"isSelectedEnd\">Deleting temporary files can prevent additional MFT growth, but it normally does not reclaim the MFT space that has already been allocated.<\/p><h3>Clean Up Large Numbers of Unnecessary Small Files<\/h3><p class=\"isSelectedEnd\">Removing caches, temporary files, old build directories, or other collections containing huge numbers of small files can reduce future MFT growth.<\/p><p class=\"isSelectedEnd\">However, do not expect the existing $MFT file to immediately become smaller after cleanup.<\/p><h3>Optimize the Volume If the MFT Is Fragmented<\/h3><p class=\"isSelectedEnd\">Windows can optimize NTFS volumes and reduce MFT fragmentation in some situations.<\/p><p class=\"isSelectedEnd\">This should be viewed as a fragmentation measure rather than a method for reclaiming MFT disk space. Defragmentation does not normally shrink an already enlarged MFT.<\/p><h3>Use CHKDSK Only When File-System Errors Are Suspected<\/h3><p class=\"isSelectedEnd\">A large MFT alone is not a reason to repair the disk.<\/p><p class=\"isSelectedEnd\">If Windows reports file-system errors, incorrect free-space information, or MFT\/$Bitmap inconsistencies, CHKDSK may be appropriate. It can repair certain NTFS metadata errors, but it should not be presented as a normal method for shrinking $MFT.<\/p><h3>Reformatting Recreates the MFT, but It Is Destructive<\/h3><p class=\"isSelectedEnd\">Formatting an NTFS volume creates a new file system and therefore a new MFT. This can reset an abnormally large historical MFT, but formatting also removes existing file-system structures and data.<\/p><p>For that reason, formatting should only be considered after important files have been safely backed up and when reclaiming the space is genuinely necessary.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b3659e elementor-widget elementor-widget-text-editor\" data-id=\"2b3659e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Should You Change NtfsMftZoneReservation?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-953b596 elementor-widget elementor-widget-text-editor\" data-id=\"953b596\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">or most users, <strong>no<\/strong>.<\/p><p class=\"isSelectedEnd\">The <code dir=\"ltr\">NtfsMftZoneReservation<\/code> registry value changes how NTFS reserves space for future MFT growth. It does not shrink an MFT that has already grown and therefore should not be presented as a direct fix for high MFT disk usage.<\/p><p class=\"isSelectedEnd\">Changing this setting may be useful in specialized environments that create extremely large numbers of files, but it is not a general disk-cleanup technique.<\/p><h2>What If High MFT Usage Is Caused by File-System Corruption?<\/h2><p class=\"isSelectedEnd\">Normal MFT growth and MFT corruption are different problems.<\/p><p class=\"isSelectedEnd\">You should investigate possible file-system corruption if the drive suddenly reports incorrect free space, becomes RAW or inaccessible, produces MFT-related errors, or shows inconsistencies between actual files and reported disk usage.<\/p><p class=\"isSelectedEnd\">If important files become inaccessible, avoid formatting or writing large amounts of new data to the affected drive before deciding how the files will be recovered.<\/p><h2>What If Files Are Lost During Troubleshooting?<\/h2><p class=\"isSelectedEnd\">If important files are accidentally deleted, lost after formatting, or become inaccessible because of file-system damage, stop writing new data to the affected drive.<\/p><p class=\"isSelectedEnd\">In that situation, <a href=\"https:\/\/www.amagicsoft.com\/magic-data-recovery\"><strong>Magic Data Recovery<\/strong><\/a> can be used to scan supported Windows storage devices for deleted, formatted, or otherwise lost files. Data recovery should be treated as a fallback for actual data loss, not as a tool for reducing normal MFT disk usage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ukqf3z1 elementor-widget elementor-widget-image\" data-id=\"ukqf3z1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.amagicsoft.com\/wp-content\/uploads\/2026\/01\/select-lost-partition.webp\" title=\"\" alt=\"Using Magic Data Recovery if data loss happens after Optimizing NTFS MFT Disk Usage\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46e8f87 e-con-full e-flex e-con e-child\" data-id=\"46e8f87\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-571da44 e-con-full e-flex e-con e-child\" data-id=\"571da44\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3411673 elementor-widget__width-auto animated-fast elementor-align-center elementor-widget elementor-widget-elementskit-button\" data-id=\"3411673\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"elementskit-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\t\t<div class=\"ekit-btn-wraper\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/download.amagicsoft.com\/product\/mdr\/magic-data-recovery.exe\" class=\"elementskit-btn  whitespace--normal\" id=\"\">\n\t\t\t\t\tDownload Magic Data Recovery\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n        <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d914a62 downloadtext elementor-widget elementor-widget-text-editor\" data-id=\"d914a62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Supports Windows 7\/8\/10\/11 and Windows Server<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-pv3e4ik elementor-widget elementor-widget-heading\" data-id=\"pv3e4ik\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion: Reclaim Your Storage Today<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8csn9b7 elementor-widget elementor-widget-text-editor\" data-id=\"8csn9b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"isSelectedEnd\">High <strong>NTFS MFT disk usage<\/strong> is often normal on a volume that currently contains\u2014or previously contained\u2014a very large number of files. The most important thing is to distinguish the actual $MFT size from the reserved MFT zone and from other NTFS metadata consuming disk space.<\/p><p>Use <code dir=\"ltr\">fsutil fsinfo ntfsinfo<\/code> or an NTFS analysis tool to confirm what is actually using the space. Deleting files can slow future MFT growth, but it normally does not shrink space already allocated to $MFT. If disk-space reporting suddenly becomes inconsistent, investigate file-system errors before attempting destructive fixes such as formatting.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54995iz elementor-widget elementor-widget-heading\" data-id=\"54995iz\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ - NTFS Master File Table Disk Usage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ik69xas faq-no-toc dtec-faq elementor-widget elementor-widget-elementskit-faq\" data-id=\"ik69xas\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-faq.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n                <div class=\"elementskit-single-faq elementor-repeater-item-xmnsdr8\">\n            <div class=\"elementskit-faq-header\">\n                <h3 class=\"elementskit-faq-title\">Is a 10GB MFT normal?<\/h3>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                A 10GB MFT is unusually large for many personal computers, but its size alone does not prove that the file system is damaged. Volumes that contain\u2014or previously contained\u2014millions of files can develop very large MFTs. Check the file history, actual MFT usage, and file-system health before attempting any repair.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-8u9cli8\">\n            <div class=\"elementskit-faq-header\">\n                <h3 class=\"elementskit-faq-title\">Can I shrink the MFT without formatting my drive?<\/h3>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                <p>Normally, Windows does not allow you to shrink the physical size of the MFT once it has grown. <\/p>            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-fe48bfd\">\n            <div class=\"elementskit-faq-header\">\n                <h3 class=\"elementskit-faq-title\">What is MFT Valid Data Length?<\/h3>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                MFT Valid Data Length is a value shown by fsutil fsinfo ntfsinfo. It indicates how much valid data exists in the NTFS Master File Table. If this value is several gigabytes, the drive may have stored a very large number of files in the past.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-eb0b67a\">\n            <div class=\"elementskit-faq-header\">\n                <h3 class=\"elementskit-faq-title\">Why does my empty NTFS drive still show used space?<\/h3>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                An empty NTFS drive can still show used space because NTFS metadata files such as $MFT, $LogFile, $Bitmap, and $UsnJrnl are hidden from normal file views. If the drive previously contained many files, the MFT may remain large even after deletion.            <\/div>\n        <\/div>\n                <div class=\"elementskit-single-faq elementor-repeater-item-e52fd66\">\n            <div class=\"elementskit-faq-header\">\n                <h3 class=\"elementskit-faq-title\">Can CHKDSK reduce MFT disk usage?<\/h3>\n            <\/div>\n            <div class=\"elementskit-faq-body\">\n                CHKDSK can repair file system errors, but it usually does not shrink an already expanded MFT. It may help if the reported disk usage is caused by file system corruption, orphaned records, or bitmap errors.            <\/div>\n        <\/div>\n                                <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is a 10GB MFT normal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 10GB MFT is unusually large for many personal computers, but its size alone does not prove that the file system is damaged. Volumes that contain\u2014or previously contained\u2014millions of files can develop very large MFTs. 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It may help if the reported disk usage is caused by file system corruption, orphaned records, or bitmap errors.\"}}]}<\/script>\n                \n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>If $MFT is taking up several gigabytes of disk space on an NTFS drive, it does not automatically mean something is wrong. The Master File Table grows as Windows creates files and folders, and deleting those files does not normally shrink the MFT back to its previous size. The important distinction is between the actual [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":53166,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[725],"tags":[738],"class_list":["post-47898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wiki","tag-wiki"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NTFS MFT Taking Up Disk Space? Causes &amp; Fixes | Amagicsoft<\/title>\n<meta name=\"description\" content=\"Is $MFT taking up gigabytes of disk space? 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