![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 77%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Outlook | MacOS | New Outlook for Mac | For business
Using the New Outlook for Mac features in business environments
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 19%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Hi @M A
May I ask what is your macOS and New Outlook Mac version? You can check Outlook version in Outlook > About Outlook.
If you are unable to open Outlook, you can go to Finder > Application > press Space bar > A pop-up will show your Outlook version.
May I ask if you download Outlook from App Store or from Microsoft website? If you got it from App Store, please uninstall it and redownload it via Update history for Office for Mac - Office release notes | Microsoft Learn.
You can either choose to download the latest version (16.109.2) or previous version if you like.
If the issue persists, try creating a new Mac user and try to launch there. Add a user or group on Mac – Apple Support
Note: This information is provided as a convenience to you. These sites are not controlled by Microsoft, and Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please ensure that you fully understand the risks before using any suggestions from the above link.
Please try and let me know how it goes.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.