Microsoft is testing a free, ad-supported version of Office, featuring Word, PowerPoint, and Excel — but with several catches.

Microsoft released a free version of Office with ads and limitations. A 15-second video ad is played in Word, Excel, and PowerPoint every few hours, alongside a permanent sidebar ad. It cannot save documents locally,

This version comes with a host of limitations and access is limited, but here's how you could try giving it a whirl.