Fixed: Outlook App Error 503 Solution

Outlook App Error 503

Outlook users have frequently been encountering an Outlook App error 503. As will all errors, there are ways to fix this one too. Let us look into the problem in detail and find out its solution.

Cause:

Over the past months, there might have been some changes in your Outlook mobile app. Because of these changes, the error 503 would have occurred. You might encounter this error code 503, especially while trying to connect to mailboxes on your Exchange 2010.

You could notice that when you downgrade the Outlook mobile app to the September 14th update, you could connect to the mailboxes (on Exchange 2010). However, you won’t be able to do the same with the October version. You wish you knew what changes Microsoft had made in the mobile app that cause the error 503.

Right now, you are utilizing an SSL certificate. You could also notice that the other apps are working fine. That is, the iOS Mail and older versions of the Outlook App error 503. So, what you need is a solution to fix the error.

Solution:

Many users are facing the same problem. The Outlook app on their iPhones and Androids has stopped working. So, the conclusion that we have arrived at is:

  • Step 1:If you are making use of an Android phone, you can downgrade the Outlook mobile app to the September 14th version. Your issue will get resolved when you do this. But the situation with the most recent versions will not be the same. Things will not work out with the latest Outlook versions.
  • Step 2:But if you are using an iPhone, you will not be able to downgrade the build to the September 14th version.
  • Step 3:Many users are still facing the same Outlook App error 503 issue and Microsoft is looking for a solution. So, you have to be patient till Microsoft comes up with a possible fix in the form of an update sooner.

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