Checking file integrity of a backup?

for a whole now I have been doing a weekly backup of my photos, docs, etc. but it only occurred to me today about the file integrity. Should I need to use this backup that all the files will still open as they once did. Can anyone recommend a wat, or a freeware program that can help do this? Thanks in advance.

geek_arcane3, Aug 6, 12:27 pm

If you backup program uses a .zip algorithm (extension may be different). open the backup with WinZip, WinRar, 7Zip or similar. Look in the menus for something like "Test archive".

geek_r.g.nixon, Aug 6, 1:11 pm

I just use FreeFile Sync so essentially it just mirrors the folders I tell it to from the C drive.

geek_arcane3, Aug 6, 3:12 pm

OK, not what IT people refer to as a 'backup'.

For single files, when I want to compare them, I do the following in a cmd prompt:
fc /b x:\original\ y:\copy\

If you built up a list of full file paths, you could use the same technique inside a batch file. I presume you could direct output messages to a text file.

geek_r.g.nixon, Mar 19, 11:27 pm

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