Starting with the 16.17 release in September 2018, this information also applies to Office 2019 for Mac, which is a version of Office for Mac that’s available as a one-time purchase from a retail store or through a volume licensing agreement.For security reason, Microsoft has deprecated the use of SHA-1.For more information, see Microsoft Teams installations on a Mac. Starting with Version 16.21, Microsoft Teams will be installed by default for new installations if you're using the Office suite install package.
