Office in the Mac App Store
Page Last Updated: May 18, 2019 @ 2:15pm Pacific Time
Word, Excel, PowerPoint and Outlook were first released to the Mac App Store (aka MAS) on January 24, 2019 - joining the existing OneNote and OneDrive applications that were previously available. The purpose of this page is to discuss best practices and known issues for organizations that are considering the deployment of Office from MAS. There is an official high-level FAQ on docs.microsoft.com that covers the basic questions and you should read this first if you haven't already done so.
Release History and Download Links
Only the latest released build is available for download from MAS.
Release Date Suite Bundle Word Excel PowerPoint Outlook OneNote OneDrive 05/14/19
More Info: This error occurs when the user previously had a CDN-based Office install present on the machine. The previous install created keychain entries that were only accessible to Office apps that were signed with a Microsoft certificate. Office apps downloaded from the Mac App Store are signed by Apple and therefore cannot access the existing Office keychain entries. The result is that the user will be prompted to change the keychain access.
Fix #1: For each dialog box, enter the local user password and click 'Always Allow'
Fix #2: Run the NukeOffKeychain tool with the --MAS switch before launching upgraded apps
Extended Info: Keychain entries created (but not upgraded) with the 16.22 build of Office (February 12 release) will not encounter this issue as access is granted to the Microsoft team ID rather than individual app paths.
Fix #1: The user clicks Allow or Deny as appropriate
Fix #2: IT admins can suppress this prompt by importing these Configuration Profiles
More Info: All Word, Excel, PowerPoint and OneNote users with an Office 365 subscription will see this prompting starting with builds 16.21. If you are upgrading from CDN to MAS builds, users may see this prompt again due to differences in codesigning.
The Configuration Profiles (updated on 2/12/19) will suppress the dialog for both CDN-based and MAS installs.
Workaround: Close apps before pushing the update from the Jamf Server
Status: Jamf support is investigating as case JAMF-0635688 and with Apple as RADAR 48120258, but at the moment, this appears to be a known limitation of the MDM/VPP architecture. This issue is not limited to just Office apps, but also affects Xcode, Slack, Keynote, Numbers, Pages, etc
Workaround: Attempt to download the apps again. If installing from Jamf Pro, run 'jamf recon' again. This is fixed in macOS 10.14.4 and later
More Info: This issue can occur if the connection to the Apple asset server is reset, or if the storedownload daemon crashes. If you see this problem on Mojave, open the Console app, an look at System Reports to see if 'storedownloadd' is crashing with exception 'EXC_BAD_INSTRUCTION (SIGILL)' at the time of Office install. This is being tracked with Apple as RADAR 47685116, and is fixed in 10.14.4 Beta 4 (18E205e)
More Info: This is a known limitation of the command - it only shows first-party updates, and not general MAS app updates
Status: Jamf support is investigating as case JAMF-0635688, but appears to be a known limitation.
More Info: The absence of overlays is a known limitation of OneDrive when acquired from MAS
Workaround: Deploy the standalone CDN version of OneDrive
More Info: This is an intentional difference between the MAS and CDN versions of Office app (to comply with App Store policy). The CDN version will launch an in-app dialog, the MAS version will launch the browser.