Hello David**,**
Good day! Thank you for reaching out to Microsoft community.
To download the Outlook desktop app for Mac, you can follow these steps:
Microsoft 365 Subscription: Ensure you have a Microsoft 365 subscription, as Outlook for Mac is typically available through this service.
Run the Installer:
- Open the downloaded installer package (
Microsoft_Office_Installer.pkg) and follow the on-screen instructions to complete the installation.
Run this installer to reinstall Microsoft Outlook Install package. Or follow this Article After following the above steps, now download Office apps or outlook from this referenced article: Update history for Office for Mac - Office release notes | Microsoft Learn.
After downloading the installer package (usually a .pkg file), open it and follow the on-screen instructions to install Outlook on your Mac.
Create a new Outlook profile and see if the issue persists. You can do this by going to the Outlook menu, selecting Preferences, and then clicking on Accounts. From there, click the plus sign to add a new account and follow the prompts. Based on your description, you can try setting up your account in a new Outlook profile and see if issue persists:
For reference: Manage profiles or identities in Outlook for Mac - Microsoft Support (Do not delete the current profile as yet to prevent any data loss).
By following these steps, you should be able to download and install the Outlook desktop app on your Mac successfully.
I hope this helps. Let me know if you have any further questions or concerns.
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Looking forward to your response and have a great day ahead!!
Sincerely
S M Nazmun Nur | Microsoft Community Moderator