Outlook has suddenly stopped working. Outlook 2011 for Mac application won’t launch or start. Splash screen comes up and then disappears again.Then the program quit.
Solution 1:- (Rebuild Outlook database)
Method 1: Press and hold Option key when launching Outlook to rebuild the identity.
Method 2: Press and hold Alt key (windows) and click the Outlook icon on on the Dock (If the icon not appears on dock, Go to /Applications/Microsoft Office 2011 folder and drag the outlook file to Dock).
Microsoft database utility will appear. Now click the Rebuild button.
It will reboot Outlook database. After it finished the process, click the Done button and close the Microsoft Database utility.
Method 3: Open Applications and choose Microsoft Office 2011 folder. Then select the office folder and find Microsoft Database Utility.app. Here you can find rebuild option.
Solution 2:- (Remove Outlook preference file)
Go to ~/Library/Preferences and delete Outlook preference file (file name starts with “com.microsoft”).
Solution 3: (Nano suggested)
Open Terminal app and type the following command to delete old preferences.

1. Outlook 2011 Mac Download
2. Fix Microsoft Outlook 2011 Mac Update
3. Fix Microsoft Outlook 2011 Mac Error Code 3170

Next type or paste the following command to kill the cached preferences.

Then launch Microsoft Outlook.
If the above methods doesn’t work, re-install office 2011 software.

Microsoft today released an update for Microsoft Office for Mac 2011, which fixes a significant Outlook bug that Office users ran into after upgrading to OS X El Capitan. After installing the new Apple operating system, many Outlook 2011 users found themselves unable to access their mail due to a syncing issue that caused the app to hang whenever it attempted to access the server.

Outlook for Mac 2011 data is one of the options on the Import page. Use this feature when upgrading from one computer to another, or when upgrading to Outlook 2016 for Mac. The Outlook data includes the information associated with a specific Outlook 2011 account: email messages, contacts, tasks, calendars, and settings. Feb 09, 2015 If Microsoft Office for Mac 2011 is crashing when it starts up in Mac OS X 10.10 (Yosemite), you should watch this how-to video for some tips that can help fix it. This video is based on solutions.

Outlook 2011 Mac Download

Users were seeing a spinning Wait cursor whenever a sync was attempted and Outlook would become unresponsive, making it impossible to fetch new emails. The new 14.5.6 update should fix this problem for Outlook users who have installed OS X El Capitan and is a much better fix than Microsoft's previous workaround, which simply suggested users run OS X Yosemite.

Fix Microsoft Outlook 2011 Mac Update

Though Microsoft has fixed one major bug OS X El Capitan users are running into, there are still problems with Office 2016. Word, Excel, Outlook, and PowerPoint 2016 are crashing for many users, preventing them from being used with OS X El Capitan.

Fix Microsoft Outlook 2011 Mac Error Code 3170

Microsoft has said that it is working on a fix for Office 2016, but it has not given a timeline for when users can expect the issues to be solved.