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I am trying to delete the "Last Opened" date for a file found in Finder on Mac OSX (Catalina 10.15.7).

I've found a few walkthroughs already and tried them without success. In Terminal I have used "touch -mt", and "xattr -d" commands, but neither work for me.

Here are some of my latest attempts (I'm not sure of the formatting, hence the multiple versions of the xattr comment):

  • touch -mt 201801010101 /file-location*

  • xattr -d com.apple.metadata:kMDItemLastUsedDate /file-location

  • xattr -w "com.apple.metadata:kMDItemLastUsedDate" "01/01/2000" /file-location

  • xattr -d com.apple.lastuseddate /file-location

  • xattr -d "com.apple.lastuseddate" /file-location

Can anyone please help me to either correct the commands I have attempted, or provide another solution.

Thanks!

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1 Answer 1

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You can try

xattr -d 'com.apple.lastuseddate#PS' /file-location

As far as I've been able to find out, this is where the last opened date is stored. But deleting it didn't change what the Finder showed when I tried it. I thought it might also be cached in the folder's .DS_Store file, but removing that didn't clear it, either.

But this is probably the first step.

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