Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

The problem can occur when the Word file you are trying to open has a different file extension than the file you are attaching. It happens when you convert the file manually. There can be other ...

It’s been several years since Microsoft introduced a new document format in its Office 2007 suite called .Docx, but still, many people seem to wonder what .docx file is and how to open, read, and edit ...

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 ...

Red Eye Rose received a file with a strange extension. She doesn’t know into what program she should load it. Neither does Windows. I doubt that anyone knows all of the file extensions used since the ...

A .CWK file is an extension applied to Apple Works files. It applies to spreadsheet, presentation or word-processing files created with Apple Works. With the advent of the Lion Mac operating system, ...

Kayode Oluwatayo is an Evergreen Author at Android Police. He covers how-to guides and detailed explainers about Android, smartphones, apps, and various tech topics. With almost half a decade of ...