This article explains how to change file extensions in Windows 11, as well as discusses the difference between file extensions and file types.

If you cannot change the default app by File Type in Windows 11/10 then this post is sure to help you resolve the issue. Windows 11/10 provides built-in options to change the default app(s) to open ...

If you cannot associate a file extension to an application in Windows 11/10, and see an error message The program you selected cannot be associated with this file ...

When you open certain file types in Windows 7 or Vista, such as an Outlook email attachment, Windows displays a warning message about opening a file from an untrusted source. If you trust the sender ...

Finding files of a particular kind in macOS is a breeze using Spotlight, whether as a search in a Finder window or by creating a smart folder. You can specify a file’s type by using the right syntax ...

Microsoft Outlook uses two file types for holding message, calendar, task and notes data: PST and OST files. PST files are created in the user's computer for non-Microsoft Exchange accounts, which ...

Stephen is an author at Android Police who covers how-to guides, features, and in-depth explainers on various topics. He joined the team in late 2021, bringing his strong technical background in ...

The local choir that my kids are in is working on their latest concert DVD, and I was thinking about the best way to provide the content in higher quality. Assuming for a moment that they don't just ...