Transfer of files

Have a customer asked me this question: Had another tech look at his computer today:

 I have a document (a folder) on the Dell 6000 which is  7.05 MB.  I copied it to a flash drive and Duane inserted into the XPS, but  when you "hang the arrow" over it (Duane's terminology) it shows only 6.61 MB, but when you right click on "properties" it shows 7.05.  What's the  deal.
Has the entire 7.05 document really been transferred  correctly?

This gets even stranger.  When I inserted the 7.05 MB document into my  new 5000 at home, the hanging arrow shows only 6.59 MB, and properties shows only 7.03 MB.  What's going on?  Is all the information being  transferred?

Any explaination on this?
ycguy1117Asked:
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arnoldCommented:
Right-click properties of the file look at the raw bytes
Ten compare them on the other systems, they should match.

The overhang ........mechanism
nobusCommented:
when you hover over the folder, it reads the folder size
when you take the folder properties, it shows that, and the size on diskf
Tony GiangrecoCommented:
Are all systems formatted as NTFS or Fat32?  I suggest NTFS to standardize everything for comparison purposes.

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Tony GiangrecoCommented:
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