unknown file extension

C

casly05

New Member
What must I do to open a file with an unknown extension? And is it possible to convert it to another file type? :confused:
 
It's an unknown file extension because you do not have the software installed on your computer to open it or it is not associated with a program that you may have. Google the three letter extension to find what program is needed and hopefully you will need to only associate it, if not then maybe download a free program to open it.

and no, you cannot change extensions in the hope that a program you have will open it.
 
To open a file with an unknown file extension, you need to obtain a software program. You may need a different software program to convert it to another file type. For example, if you have a 123 file Lotus spreadsheet, you can view it as Excel by using a conversion software.
 
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