Outlook Error Code CAA2000B: How to Fix It in 4 Steps

This error may be caused by corrupted Outlook cache

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

There are several errors users encounter when using Outlook on their devices. Recently, Outlook error code CAA2000B is the most common, and it prevents users from signing into Microsoft Outlook.

Likewise, users reportissues with Outlook connecting to a server or your Gmail accounton their PCs.

What causes the Outlook error code CAA2000B?

Running into Outlook Error code CAA2000B on your PC indicates that something went wrong with the login process. So, it means youcan’t log into your Microsoft Outlook accountat the moment.

Furthermore, many factors can cause the error to appear in Outlook. Some of these factors include:

The cause of the error may vary with different users. So, we’ll take you through some general fixes for the error and get your Outlook account signed in.

How do I fix the Outlook error code CAA2000B?

Go through the following before trying any advanced fixes:

If you can’t get around the error, proceed with the solutions below.

1. Set the correct Windows date and time

You can read our guide onchanging time on Windows 11if you can’t get around the steps above.

2. Update the Outlook app

Installing updates will fixOutlook errorsaffecting its performance and Error code CAA2000B to occur.

3. Rebuild the Outlook Profile

Rebuilding a profile will help you sign into Outlook and fixcorrupt Outlook profileissues.

4. Clear Outlook cache

Clearing the cache will delete corrupt files causing issues with the Outlook login process.

Alternatively, you can check our guide onwhat to do if Outlook crashes after Windows updateson your PC. Likewise, it may be beneficial to read aboutfixing Outlook error 0x80070021on Windows 11.

If you have further questions or suggestions, kindly drop them in the comments section below.

Outlook Error Code CAA2000B: How to Fix It in 4 Steps#

What causes the Outlook error code CAA2000B?#

How do I fix the Outlook error code CAA2000B?#

1. Set the correct Windows date and time#

2. Update the Outlook app#

3. Rebuild the Outlook Profile#

4. Clear Outlook cache#