フラッシュドライブから削除されたファイルを復元する最善の方法（2026ガイド）
Losing important files from a flash drive can happen in seconds. A wrong click, an accidental format, or an unexpected error message may instantly make valuable data disappear. As a result, many users ask the same question: how can you recover deleted files from a flash drive safely and effectively?
Unlike internal hard drives, USB flash drives do not have a recycle bin. However, 削除ファイル are often not immediately erased. In many cases, they remain recoverable until the storage space is overwritten.
このガイドでは best ways to recover deleted files from a flash drive, starting from free, built-in recovery options to advanced recovery using professional software such as Magic Data Recovery.
Windows 7/8/10/11およびWindows Serverをサポート
目次
Why Flash Drive Files Can Be Recovered After Deletion
When files are deleted from a フラッシュドライブ, the file system removes the file reference but does not immediately wipe the data itself. The storage blocks are simply marked as available for reuse.
File recovery is possible when:
- No new data has overwritten the deleted files
- The flash drive is still physically functional
- The file system structure is partially or fully intact
これがその理由だ。 time and proper recovery methods are critical after data loss.
Common Scenarios of Flash Drive Data Loss
Compared to competitor articles, this section goes beyond listing causes—it helps users identify their specific situation and choose the correct recovery method.
1. Accidental Deletion (Most Common Case)
This occurs when files are deleted manually using:
- Keyboard shortcuts (Delete / Shift + Delete)
- Right-click → Delete
- File manager cleanup
Recovery difficulty: Easy to Moderate
Recommended solution: リカバリーソフトウェア (high success rate)
2. Permanent Deletion (No Recycle Bin)
Flash drives bypass the recycle bin entirely. Once deleted, files appear permanently removed.
Key fact:
“Permanent deletion” does not mean data destruction—it only removes file indexing.
Recovery difficulty: 中程度
Recommended solution: Professional flash drive recovery software
3. Flash Drive Formatting
Formatting may occur intentionally or by accident when:
- Windows prompts “You need to format the disk”
- The wrong drive is selected during formatting
Quick format vs full format
- クイック・フォーマット: Data often recoverable
- フルフォーマット: Partial recovery possible
Recovery difficulty: 中～高
Recommended solution: Deep scan recovery software
4. File System Errors (RAW, Unrecognized, or Corrupted USB)
Common causes include:
- Unsafe removal
- 停電
- ファイルシステムの破損
- 不良セクタ
症状
- Flash drive shows as RAW
- Drive asks to be formatted
- Files appear missing or unreadable
Recovery difficulty: 高い
Recommended solution: Professional data recovery software before formatting
5. Virus or Malware Infection
Malware may:
- Hide files
- Change file attributes
- Delete or corrupt data
Recovery difficulty: 中程度
Recommended solution: Attribute repair + recovery software
How Can You Recover Deleted Files from a Flash Drive?
The best recovery method depends on:
- How the data was lost
- Whether backups exist
- The current condition of the flash drive
Below are the most effective recovery methods, ordered from free options への professional solutions.
Method 1: Recover Deleted Flash Drive Files Without Software (If Available)
Option 1: Restore from Backup or Cloud Sync
If files were previously copied or synchronized to:
- グーグルドライブ
- ワンドライブ
- ドロップボックス
- Local backup drives
You may be able to restore them instantly.
制限事項
- Only works if backup existed before deletion
- Not helpful for newly created or unsynced files
Option 2: Check for Hidden Files (Virus-Related Loss)
Some viruses hide files instead of deleting them.
Steps (Windows):
- ファイルエクスプローラーを開く
- Go to View → Show → Hidden items
- Check if files reappear
You may also use CMD:
属性 -h -r -s /s /d X: \*.*.
制限事項
- Only applies to hidden files
- Does not recover deleted data blocks
Option 3: Use Windows File History (Rare but Possible)
If File History was configured to include external drives:
- Right-click → Restore previous versions
制限事項
- Rarely enabled for USB drives
- No effect after formatting or corruption
Important Reality Check (Why This Method Often Fails)
- No recycle bin on flash drives
- No shadow copies by default
- No undo after deletion
Conclusion:
Free methods work only in very limited scenarios. For most users, they are insufficient.
Method 2: Recover Deleted Files from a Flash Drive Using Magic Data Recovery (Best Option)
When files are permanently deleted, formatted, or lost due to file system errors, Magic Data Recovery provides the highest success rate.
Magic Data Recoveryが推奨される理由
Magic Data Recovery supports recovery from:
- Deleted flash drive files
- Formatted USB drives
- RAW or corrupted file systems
- Virus-damaged storage
- Accidental partition loss
主な利点
- ディープスキャン技術
- Broad file system support (FAT32, exFAT, NTFS)
- 復旧前のファイルプレビュー
- User-friendly recovery workflow
Step-by-Step: Recover Flash Drive Files with Magic Data Recovery
1. ダウンロードとインストール Magic Data Recovery to your computer.
Please download it from Amagicsoft website or the following download button to get the software.
Windows 7/8/10/11およびWindows Serverをサポート
2. Connect the Flash Drive and Launch Magic Data Recovery
Connect the flash drive to your computer, then run the software to select the flash drive from the device list.
3. Start a Scan
Click the “Search for lost data” button to search for your lost files.
4. Preview Recoverable Files
Filter by file type and preview before recovery.
5. Recover Files Safely
復元したファイルを別のストレージデバイスに保存する。.
Why Software-Based Recovery Outperforms Manual Methods
Compared with no-software methods, professional recovery software:
- Scans raw storage sectors
- Rebuilds lost file structures
- Works after formatting or corruption
- Dramatically increases recovery success
これがその理由だ。 software recovery is considered the best approach in real-world scenarios.
How to Prevent Flash Drive Data Loss in the Future
- Always eject flash drives safely
- Keep at least one backup copy
- Avoid using flash drives on untrusted computers
- Replace old or unstable USB devices
まとめ
Recovering deleted files from a flash drive is possible in many situations—but success depends on choosing the correct recovery method early.
Free recovery options work only in limited cases. For 削除, 書式付き, or corrupted flash drives, Magic Data Recoveryoffers the most reliable and comprehensive solution.
If your data matters, stop using the flash drive immediately and begin recovery as soon as possible.
Windows 7/8/10/11およびWindows Serverをサポート
よくあるご質問
1. How can you recover deleted files from a flash drive without backup?
2. Can permanently deleted files be recovered from a flash drive?
3. Can I recover files from a formatted flash drive?
4. Why does my flash drive show as RAW?
5. Is flash drive recovery safe?
6. Can you recover deleted files from a USB stick?
7. When you delete files from a USB, where do they go?
8. How can I recover permanently deleted files from my drive?
