Microsoft Outlook Won't Launch Mac

365

I have Outlook 2016 installed on a Windows 10 64-bit system and up till now it’s been working fine. Yesterday, I went to open it and I got the following error message:

Outlook for Mac will not launch from the Outlook icon on the dock. In this scenario, the user closes Outlook by selecting the red button in the top left corner. When they try to open Outlook from the Outlook icon on the dock, it won't launch. STATUS: FIXED. The issue has been fixed in Outlook build 16.26 (19060901). More Resources. Apr 02, 2020  The add-in is available for Outlook on Windows, Mac, web, and mobile. Teams Meeting add-in in Outlook for Windows. The Teams Meeting add-in is automatically installed for users who have Microsoft Teams and either Office 2010, Office 2013 or Office 2016 installed on their Windows PC. How to fix: Outlook 2011 for Mac won't open Solution 1:- (Rebuild Outlook database) Method 1: Press and hold Option key when launching Outlook. Solution 2:- (Remove Outlook preference file) Go to /Library/Preferences. Solution 3: (Nano suggested) Open Terminal app and type the following. Under When starting Microsoft Outlook, use this profile, choose Prompt for a profile to be used, and then choose OK. Use a different profile. Restart Outlook. In the drop-down list in the Choose Profile dialog box, choose the new profile name you created. Dec 02, 2013  Here’s a fix, or at least one possible method, for when your copy of Microsoft Outlook for Mac 2011 won’t start. I have had this happen a few times now and the following steps have resolved it for me on each occasion – it would seem that the Outlook Database corrupts and needs rebuilding.

What’s sad is that I’ve had this EXACT same problem in Outlook 2010 and I even wrote about an article about it over a year ago:

For whatever reason, the solution to the problem in Outlook 2010 is different and none of those methods worked for me when trying to fix it for 2016. So read the previous post and if nothing there works for you, then try the methods listed below.

Won

Method 1 – Delete Registry Key

Click on Start and type in regedit to open the registry editor in Windows.

Navigate to the following key in the registry:

Now delete the Profiles key that is under Windows Messaging Subsystem. Restart your computer and try to open Outlook 2010. Hopefully that fixes your problem!

Method 2 – Install Latest Service Pack and Microsoft Upates

The next thing you can try if that didn’t work for you is to install the latest Office updates. You can do this by opening any Office program, then clicking on FileAccount. On the right-hand side, you’ll see production information. Under that, there is a section called Office Updates. Click on the Update Options button and choose Update Now.

This has fixed the problem for quite a few people, so if nothing else is working for you, then definitely install latest Office updates and Windows updates.

Outlook Won't Open In Mac

Method 3 – Open Task Manger/Kill Process

This problem of Outlook not starting can also be caused by multiple instances of Outlook running without being properly killed. If you go into Task Manger (Ctrl + Shift + Esc), you should only see one Outlook process running. Microsoft outlook 365 won't open.

Outlook Won't Launch On Mac

If you see more than one outlook.exe in the process list, go ahead and select each one and choose End Process. Once you have killed off all of the Outlook processes, then try to restart Outlook and see if it loads properly.

Microsoft Outlook Won't Open Mac

So there you have a couple of more possible solutions to this very annoying problem! If you have found a different solution, post a comment here and let us know! Enjoy!