A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

Charnita is a wife, pet mom, tech enthusiast, and part-time freelance writer with over 14 years of experience. She's done countless app roundups, product reviews, and tutorials! In her free time, she ...

If you’ve come across this unusually large file called ExtensionActivityEdge while checking storage usage on your system, you’re not alone. Many users have reported that the ExtensionActivityEdge file ...

With nearly 9,000 file extensions listed and 50 users browsing the site on a Saturday night, the Dot What!? claims to be the net’s #1 file extension website. It offers visitors an opportunity to ...

On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and the ...

Microsoft hides file extensions in Windows by default even though it's a security risk that is commonly abused by phishing emails and malware distributors to trick people into opening malicious files.