Ask Leo: Is It Safe to Delete This File?

askleo

By Leo Notenboom

My C: and D: drives have many gigabytes of .DAT files under “Documents and
Settings”. I’m trying to free up space on the C: drive. Can I delete any of
these files? I really don’t know what they are, how they got there, or why they
occupy so much space on my computer!

I don’t know.

Honestly, I have no idea either as to what they are, how they got there, or
why they occupy so much space. That’s the problem with “.dat” files – there’s
no way to know what they are without more information.

But I do have some ideas on how to determine if deleting them is ok, and
ways to do it safely. And those ideas apply to any file type, not just
“.dat”.

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