this post was submitted on 09 Feb 2026
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cross-posted from: https://sopuli.xyz/post/40885318

I'm going to switch from Windows 11 to Linux soon but first I wish to backup every every data and config files I can in my current Windows installation, even those that wouldn't natively work in Linux. I know the \Users folder is important to back up, but I don't know what other directories I am missing.

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[–] solrize@lemmy.ml 24 points 2 days ago (3 children)

Buy a new hard drive/SSD for your Linux installation. Put your Windows drive away in a drawer so all of its contents are saved, and you can swap it back in if you have to. A USB adapter can be helpful for retrieving files.

[–] pulsewidth@lemmy.world 54 points 2 days ago (1 children)

But first before you buy a new SSD don't forget to go back to September of last year.

[–] Jumuta@sh.itjust.works 5 points 1 day ago

you can buy used hard drives for pretty reasonable amounts of money

[–] EchoCranium@lemmy.zip 3 points 1 day ago

I did this, and installed the old drive into a USB adapter so I could easily pull any documents I may want to access. The Linux install will mount a NTFS drive, so worked great for that.

For the OP, while you CAN have the PC boot up to the Windows drive plugged into USB, I would not recommend doing it more than a couple times. Windows seems to hate this; I've had two installations of Win10 Pro eat itself and become unbootable, could not be repaired. The files were still accessible through Linux though so was able to make copies.

[–] dan@upvote.au 4 points 2 days ago

If you have enough space for it, just keep it in the PC.