Guide to Fix Mac Outlook Error Code 16999

There are many applications in the Mac that you can use for various purposes. But some applications are very much unique and can be used both in Mac as well as Windows OS. Outlook is also one of those apps. With the help of this application, you can send or receive various mails or retrieve them at any time if you are connected with the internet. You can also manage the mails and other files in the PST files. But sometimes while retrieving the mails, you may get Mac Outlook error code 16999. It is really a very critical error issue that comes to you with many severe symptoms like data loss, system sticking, unable to access PST files, etc. You can fix this issue with the help of the troubleshooting tips given in this article. You can also fix the issue automatically with the help of MacKeeper Tool in the Mac.


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Cause of the Mac Outlook error code 16999 –

Main causes for the occurring of the Outlook error 16999 in Mac are corrupt PST files, incomplete or improper installing of the Outlook, incorrect username or password, corrupt or misconfigured Mac file system, virus infections, malicious programs or applications installed, internet disconnections, conflicts among the applications, server problems, etc.

How to fix Mac Outlook error code 16999 –

You can fix the entire issue of Outlook error 16999 in Mac with the help of the following manual procedure:

  1. First of all open Outlook in Mac.
  2. Go to the Tools menu and click on Accounts.
  3. Select your email account in the left side of the window.
  4. Now enter the correct email address and the password.
  5. Please check that the listed Incoming server and Outgoing server are correct.
  6. Now close the window.
  7. Restart your Outlook.

With the help of the above manual trick, you will properly fix the Mac Outlook error code 16999. But one thing you should also keep in your mind that the manual method requires a deep technical knowledge to apply. So, you should fix the issue automatically by installing MacKeeper Tool in your Mac.


Download MacKeeper Software To Fix Mac Error – 100% Tested and Virus Free Tool

MacKeeper Tool is a very dynamic tool that can resolve the Mac problems very easily. The tool will automatically scan the whole computer after launching and remove the infections and repair the errors completely. It will also improve the computer performance amazingly.


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