A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

Your business' Word documents likely use one of two extensions. DOC Word files were likely created with an older version of Microsoft Word, whereas DOCX and DOCM ...

Ankush khandelwal asked about compatibility issues between files created in different versions of Microsoft Office–specifically the big changes in file format that came with Office 2007. With Office ...