I'm considering switching from Windows to Linux, but I'm worried that my personal files might be erased during the installation. Do I need to take special precautions, or is there a safe way to preserve everything? I'm especially unsure whether the answer changes if I completely replace Windows versus setting up a dual-boot system. English isn't my first language, so apologies if anything is unclear.
4 Answers
Make a backup of every file you care about before installing anything. If Linux will replace Windows, the Windows partition may be formatted, so anything stored there could be lost. Copy your documents, photos, videos, and other important data to an external drive or another computer first.
Even if you plan to dual-boot and leave the Windows partition untouched, backing up is still the safest choice. A partitioning mistake, hardware failure, or installation problem can still cause data loss. Treat the backup as necessary, not optional.
Keep the backup disconnected from the computer while reinstalling if possible. That way, an accidental format or partitioning error cannot affect the only copy of your files. Afterward, you can restore the files to Linux or keep them on a separate external drive or network storage.
If you install Linux alongside Windows, you may be able to access files left on an NTFS Windows partition from Linux. However, this depends on the installation choices and does not replace a real backup. For files you want available from both systems, a separate data partition, external drive, or network storage can work well.
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