1. In the Windows File Explorer, click on the file to select it, then choose "Properties" from the ribbon of options at the top of the File Explorer window or right-click on the file and choose "Properties." Or, you can click on the file to select it and then hit the Alt and Enter keys simultaneously to bring up the Properties window for that file.
2. Then click on the Previous Versions tab.
3. Click on the prior version of the file to select it and then click on the Restore button at the bottom of the window.
4. You will see a window asking "Are you sure you want to restore the previous version of" followed by the file name and the timestamp on the prior version of the file. The window also warns you that "This will replace the current version of this file on your computer and cannot be undone." Click on the Restore button on that window.
5. You should then see a window stating "The file has been successfully restored to the previous version." Click on the OK button to close that window. If you click on the General tab at this point, the Modified date will still reflect the timestamp before you restored the file, but if you close the Properties window and reopen it, you should then see the Modified date and time reflect the timestamp of the prior version that was restored to the system.

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[/os/windows/filesystem] permanent link

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I was unable to backup a disk drive to an external drive attached to a system via a USB connection using the NTBackup program. The backup failed once the backup file reached 4 GB in size, which is the maximum size for the FAT32 file system, which was the file system on the Western Digital My Book USB external drive when I purchased it. So I decided to change the file system to NTFS by reformatting the drive. But I received an error message when I tried to convert the file system.

C:\>format f: /fs:ntfs
NTFS file system is not supported on this device optimized for removal.
To change the way this device is optimized, select the Policies tab in
the device's property sheet.

To change the file system, I right-clicked on the drive under My Computer, then chose Properties.

I then clicked on the Hardware tab and selected the drive.

I then clicked on the Properties button and then the Policies tab. I changed the setting from "Optimize for quick removal" to "Optimize for performance". The "optimize for quick removal" setting disables write caching on the disk and in Windows, so you can disconnect the device without using the Safe Removal icon. The "optimize for performance" setting enables write caching in Windows to improve disk performance. When you choose this option, to disconnect the device from the computer, you should click the "Safely Remove Hardware" icon in the taskbar notification area."

I then clicked on the OK button. I clicked on a second OK button to close the window.

I was then able to reformat the drive from the FAT32 file system to the NTFS file system.

C:\>format f: /fs:ntfs
The type of the file system is FAT32.
The new file system is NTFS.
Enter current volume label for drive F: My Book

WARNING, ALL DATA ON NON-REMOVABLE DISK
DRIVE F: WILL BE LOST!
Proceed with Format (Y/N)? y
Verifying 610477M
Volume label (32 characters, ENTER for none)? ACI-3
Creating file system structures.
Format complete.
 625129280 KB total disk space.
 625044456 KB are available.

[/os/windows/filesystem] permanent link