When copying folders from a FAT16-formatted microSD card onto an NTFS volume, why would some (but not all) of the folders have a modified timestamp of the current date/time on the destination?
Some of the destination folders have timestamps matching that of the source folders, but some are getting copied with timestamps being altered to reflect the current date/time.
Windows File Explorer from Windows 7 SP1 was used to copy the folders. Chkdsk
was run on the source and destination, with no errors found.
Best Answer
A General Microsoft Explanation
Conclusion
Looking for Commonalities
It was determined that. . .
Therefore, when copying folders from a source to a destination location with Windows File Explorer it just seems that this is just how it handles preserving or not preserving the folder time stamp attributes per this type of operation by default.
Prevention
Retain Date Time Stamp Attributes of Folders
As suggested in this MS TechNet Article you can use
Robocopy /DCOPY:T
to preserve the original source folder time stamp attribute values (/DCOPY:T : Copy Directory Timestamps.
) when it's copied to the destination location.