FreeFileSync is an open-source file synchronization tool that creates exact copies of your folders wherever you need them. Unlike dedicated backup apps such as Duplicati, which store files in ...

To do this, open the Windows Settings and navigate to Apps > Default apps > Choose default apps by file type. Select the desired file type and choose an app according to the requirements.

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