Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...

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.

For iOS 16 and later, Apple has introduced a macOS feature in the Files app that allows you to convert file formats on your iPhone without needing any third-party apps. If you often download or ...

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 ...

It’s easy to assume the files we download and install to our computers are exactly what they say they are. After all, an app with a high quality icon and a correct name to match looks legit: Why ...

Previously exclusive to Firefox Nightly, add-ons have been available on the main Firefox browser app since 2022. These add-ons let you install any web browser extension on the Firefox Android app, but ...

Microsoft plans to expand the list of file extensions that are banned in Outlook for the web (previously known as Outlook Web Access (OWA)). The list, which previously included 104 file extensions, ...