Profile copy to external HD stops with msg "are you sure you want to copy this file without its properties" Proper response? Yes, Skip, Cancel???
Trying to copy profile folder to external hard drive for backup using Window 10 copy/paste. Process stops repeatably to ask if I want to copy the file without its properties. See screen shot.
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A wdseml file is a partial copy (up to 49KB) of a message in the mail folder, stored in a .mozmsgs subdirectory. It is used by Windows Search Integration (requires Vista or a later version of Windows). They're actually renamed .eml files. You can disable this feature by unchecking Tools -> Options -> Advanced -> General -> System Integration -> "Allow Windows Search to search messages".
I don't know what properties Microsoft is adding to the file which would get lost upon copying.
In any case, it should be safe to simply say 'Yes'.