If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Fix Windows Media Player cannot play the file, The player might not support the file type or might not support the codec that was used to compress the file.

Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.

My favourite open-source tools help me save time, money, and hassle while making Windows smoother and easier to use every day.

The leaner your Windows system is, the faster your PC is. We show you how to free up memory with simple commands and tools.

You can now search for files through the Copilot app. The new search requires a Copilot+ PC and Windows 11 insider access. The feature works by scanning the files in your Recents folder.

My 8 favourite open-source tools help me save time, money, and hassle while making Windows smoother and easier to use every day.

Previously, she was a writer and editor at MUO. Microsoft is testing out a Windows 11 update that lets you use AI to search through your files and images directly from the Copilot app.

Once a malicious file is placed in these folders, it can install malware or open a hidden backdoor without any further action from the user.

The KB5063878 Windows 11 24H2 cumulative update, released earlier this week, fails to install on some systems according to widespread reports from Windows administrators.

Microsoft has released emergency Windows out-of-band updates to resolve a known issue breaking reset and recovery operations after installing the August 2025 Windows security updates.