0xcaa70010 in Office 365: How to Fix This Sign-in Error

Share this article

Improve this guide

Try to repair the Office 365 app if this error occurs

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

Share this article

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

Key notes

Launching Office 365 on your device may prompt an error saying We couldn’t connect to one of the services we needed to sign you in. However, it is usually accompanied by error 0xcaa70010. Thus, we will discuss how to fix the sign-in error.

Alternatively, we have a detailed guide on ways to fixOffice update error 30015-26on your PC.

What causes the error 0xcaa70010 in Office 365?

Error code 0xcaa70010 in Office 365 can occur due to several reasons, including:

The factors listed above vary on different PCs. However, we will discuss how to resolve the error.

How can I fix the error 0xcaa70010 in Office 365?

Observe the following preliminary checks before proceeding with advanced steps:

Proceed with the following advanced steps below if the error persists.

1. Remove stored credentials

Clearing the credentials fix credentials cache errors and allow you to store new credentials.

2. Repair Office 365

Check our guide aboutrepairing Office appson Windows.

3. Disable Modern Authentication

Disabling Modern Authentication will troubleshoot issues with authentication security processes. Read about how to fixa corrupt Registry Editoron Windows.

4. Uninstall and reinstall Office 365

Alternatively, you can go to Office 365 web interface, log in, and download and run the O365 software to overwrite the existing installation on your device.

Reinstalling the office file will fix bugs and corrupt files in the previously installed file. Read our detailed guide aboutdownloading and installing Microsoft 365on your computer.

In conclusion, you can read aboutfixing Microsoft Office not openingon Windows devices. Also, you can check our guide aboutactivating Microsoft 365 products keywith a few steps.

0xcaa70010 in Office 365: How to Fix This Sign-in Error#

What causes the error 0xcaa70010 in Office 365?#

How can I fix the error 0xcaa70010 in Office 365?#

1. Remove stored credentials#

2. Repair Office 365#

3. Disable Modern Authentication#

4. Uninstall and reinstall Office 365#