Really annoying PST copy problem

I am trying to copy a repaired PST file which is 6.5GB on the server.

When I copy it to a pen drive it always ends up being 3.99GB.

I have even tried the excellent Unstoppable copier and get the same result
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furunoAsked:
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furunoAuthor Commented:
Btw, don't say try another pen drive - because I get the same result :)
Miguel Angel Perez MuñozCommented:
You can try share a folder on server and copy on shared folder onto destination server.
KimputerIT ManagerCommented:
Format your USB drive to NTFS format.

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BufferstopCommented:
Try running the backup from within Outlook.
furunoAuthor Commented:
Thanks everybody.

Can't believe they still use FAT32 on 32GB drives!

Formatting to NTFS worked great. Thanks Kimputer.
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