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Richard, Software Engineer
Category: Microsoft
Satisfied Customers: 44526
Experience:  Over 15 year experience resolving Microsoft Office Issues
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Hi I have transferred a lot of video from my pc to an external

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Hi I have transferred a lot of video from my pc to an external hard drive.Some of the videos have a mpg extension which I can run but others have transferred as a file which I cannot open.I get a message saying I have to set up an association in the folders option file, this I have found but I am stuck as to how proceed further.My knowledge on pcs is limited I would appreciate help on navigation etc on how to proceed.

Thanks Len.
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Can you tell me the extension of the files that will not run when you try to run them please Len?

Thank you
Customer: replied 4 years ago.

Hi Richard it just has the title, then underneath "File" then underneath that the size of the file.

How big is the file Len?
Customer: replied 4 years ago.

Biggest one is 11,117,120 kb, others average 200,000 kb+

ok, if it just has file as its type, it means it is missing its extension Len

put a .avi at the end and try to play it. If it fails, try .mpg

Let me know the results please
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Customer: replied 4 years ago.

Yes that works , thanks very much Richard.

Your most welcome Len.

It just lost its file extension

If you would like any additional information or assistance, please do not hesitate to let me know.

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Thank you