Encryption protects your files from unauthorized access, but it does not protect them from hardware failure, accidental deletion, or ransomware. A backup of the encrypted container is the only way to recover your data if the original is lost or damaged.
This guide explains why backing up an encrypted drive matters, how to do it safely, and how to restore the backup when you need it.
An encrypted container is still just a file, and any file can be lost.
Encryption protects confidentiality; backups protect availability. You need both.
With Qiling Safe Disk, your encrypted drive is a single container file, usually with an .fvd suffix. Backing up that one file backs up the entire encrypted drive.
The key rule: always back up the container while it is unmounted. Copying a mounted container can produce a corrupted backup because files may be changing during the copy.
Choose the method that fits your setup.
For important data, use more than one method. Keep one backup on an external drive and another on cloud storage or a different disk.
The safest approach is to unmount the container and make a verified copy. Download Qiling Safe Disk if you have not already.
Step 1. Open Qiling Safe Disk. If the container is mounted, select it and click Unmount.

Step 2. Close Safe Disk. This ensures no process is using the container file.
Step 3. Locate the container file (.fvd) in File Explorer. Right-click it and choose Copy.
Step 4. Paste the file to your backup location, such as an external hard drive or a network folder.
Step 5. Verify the backup. Right-click both the original and the copy, choose Properties, and confirm the file sizes are identical.
Step 6. For extra safety, test the backup by mounting it with Safe Disk. If it opens with your password, the backup is good.
Step 7. Schedule regular backups. Set a reminder to copy the container weekly, or use Qiling Disk Master to automate it.
If the original container is lost or corrupted, restore from the backup.
Remember that the backup reflects the state of the container at the time it was copied. Any files added or changed after the backup will not be in the restored copy. Back up regularly to minimize data loss.
Not recommended. A mounted container may have open files, and copying it can produce a corrupted backup. Always unmount first.
No. The container file is encrypted, and the backup is just a copy of that encrypted file. Your files stay protected.
No. If that drive fails, you lose both. Store the backup on a separate drive or cloud storage.
Back up after every important change, or at least weekly. More frequent backups mean less data loss if something goes wrong.
Always test the backup by mounting it. If it fails, make a new backup from the original while it still works. Keep multiple backup copies for safety.
Before changing storage or backup settings, create a full Windows backup. Qiling Disk Master creates a system image you can restore from.
Step 1. Open Qiling Disk Master and select "System Backup" to include Windows and the boot partitions.
Step 2. Save the image to a drive other than the Windows disk and start the backup.
Step 3. If a change causes issues, restore from the image to return Windows to its working state.
An encrypted drive is not backed up just because it is encrypted. The container file can be lost to hardware failure, deletion, ransomware, or corruption, and encryption will not bring it back. The solution is simple: unmount the container, copy the .fvd file to a separate drive or cloud storage, and verify the copy. Test the backup by mounting it, and repeat on a regular schedule. With a verified backup, you can restore your encrypted files even if the original is gone. Encryption and backups work together to keep your data both private and recoverable.
For more on protecting your data, see How to Create an Encrypted Virtual Drive, How to Mount an Encrypted Drive on Another Computer, Is Encryption Enough to Protect Your Data?, and How to Use Qiling Safe Disk.