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While inserting a file (ReportRunner.exx) in an Outlook email, I noticed that the datetime it displayed for a file I had just updated was outdated. In Explorer, it shows the correct datetime (Outlook dialog on top, Explorer on the bottom):

enter image description here

Why the difference? My theory is that the Outlook value is "Date", meaning when the file was first created, whereas Explorer shows the more meaningful "Date modified" - but why would Outlook do this? Isn't date modified a more useful date to show than creation date?

B. Clay Shannon-B. Crow Raven
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1 Answers1

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There are several dates associated with files. Among them are "Date created", "Date modified", and "Date accessed". Your screenshot shows the "Date" column in the "Insert File" dialog and the "Date modified" column in the explorer view. As you can see, these columns show different information.

The "Date" column doesn't match up 1:1 with the other date columns, instead using an algorithm to try to figure out which date is more useful and displaying that as described here and here.

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Ouroborus
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