Error code 0x8A010101 when activating office for MAC. Office for MAC is concurrently updated to the latest versions with Office for Windows.
This error code 0X8A010101 is basically the hint that your current product key is invalid. Most of the cases, this error code is found in old office programs activation.
Especially office 2011 is one of the office MAC programs. And it can fail to activate due to the wrong product key.
Office product key that you have used might be the same old one but there are cases when you cannot reuse the same old key. It is basically due to the exceeded number of installations on Office program.
[KB9199225] – Some of the Steps to Resolve this Error Code 0X8A010101 are as Follows:
- Make sure you signed in with the correct office account
- Double check that you have entered the product key for the same office edition installed on your computer.
- If you are accidentally trying out to activate any of your old programs, please try removing the old ones and then re-install the new one.
Other office steps are to download an office removal tool and remove the licenses of old office program and then re-install the new one.
If you can’t still sign in after having a right account already used for your user profile. You can try to reset your password and then try to this for all products.
For any additional support on office Error Codes, you can chat to one of our Experts to discuss the solutions.