In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...

If you have a folder containing countless files of different formats, you can follow this guide to sort Files by Extensions into a separate Folder in Windows 11/10. No third-party app is needed since ...

If you want to rename all file extensions in a folder or sub-folder at once on Windows 11 or Windows 10 PC, here is how you can do that. You do not need to use a third-party application as you can get ...

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...