Microsoft releases Office 2021 for Mac preview Apr 23, 2021, 7:22am EDT If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. Share this story Microsoft is releasing a preview version of Office 2021 for Mac and Office LTSC this week. While Office LTSC (Long-Term Servicing Channel) is designed for commercial customers, both versions are perpetual versions of Office that don’t rely on subscriptions or the cloud. Microsoft announced its plans for Office 2021 back in February, and a Windows version — which won’t be available in preview — will also be released later this year. Office 2021 for Mac will support both Apple Silicon and Intel-based Macs, and require at least 4GB of RAM and 10GB of storage space. It’s designed to be a static release of Office, but during the preview there will be monthly updates that could include new features. Once Office 2021 for Mac is final and released, no new features will be added. Current improvements include: