Windows 10: How can I get File History to backup a drive which it seems to identify as external when it...

I have several Win11 machines in my home. On one, File History refuses to backup one of the partitions D.Things I've tried:completely restarting FHchanging destination drive USB and networkexcluding the partition and then removing the exclusioncomplete refresh of Windows using isoNothing is working. The other partitions on the computer back up just fine. One thing I have noticed, this particular PC offers the D drive as a backup destination whereas none of the other PCs in my house offer internal drives as backup destinations when I "Select Drive" to use. If these issues are related, I hav

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Windows 10-Reconnect your drive...No longer able to use original USB HDD for File History backups

Perform these steps to enable backup:

• Connect an external hard drive to your computer.
• Next, open the Settings app from your Start Menu.
• Navigate to Update & Security > Backup.
• Click or tap the “Add a drive” option under Back up using File History to add an external drive that File History will back up to.

It’ll list external drives and give you the option to back up to them.

Regards.

 

File History drive

Hi Joseph,

Thank you for contacting Microsoft Community.

I would like to inform you that if your File History drive has been disconnected for too long, or it doesn't have enough space to save temporary versions of your files. To continue saving copies of your files, you'll need to reconnect your File History drive.
Plug in your external File History drive or reselect your network. You can start a backup manually or wait for the next scheduled backup or reselect the drive. Here is the steps:

To manually start a backup

• 
  Open File History by pressing Windows key> type File History
  > Click on File History.
  
• 
  Tap or click Back up now.
  

To reselect your drive

• 
  Open File History by pressing Windows key> type File History
  > Click on File History.
  
• 
  Tap or click Select drive.
  
• 
  On the Select a File History drive page, tap or click your current drive or network location, and then tap or click
  OK.
  

Hope it helps. Let us know if you need more help and we'll be glad to assist.

 

File History never copies anything

Hi,

Temporary system failure is one of the possible reasons why this issue is happening. To help resolve the issue, we suggest deleting the files in the USB drive. Follow the steps below:

• Open Settings > Update & Security > Backup > More Options.
  
• Click Stop using this drive.
  
• Delete the File History folder on your external drive.
  
• Try again to add the USB drive to backup File History.
  

Keep us in the loop with the result.