Fixed : The system asks you to log in to a valid account – MS Office error 0xD000000C

  • The problem occurs on MAC OSX, and the problem is that Office 2016 activation does not work.
  • Office 2016 is a suite that includes Word, Excel, PowerPoint, OneNote, Outlook, and many other applications.
  • This problem is due to the Mac OSX upgrade to the latest version (OSX Sierra (10.12.2) in mid-December, which is causing the keychain access problem.

As part of the Microsoft Office 2016 suite, you can create spreadsheets, documents, presentations, email, and more with Word, Excel, PowerPoint, OneNote, Outlook, and many other applications.

If you cannot see an update folder after uninstalling OneDrive, you need to fix Office 2016 Mac Error 0xD000000C first. Getting on my last nerves. I can’t post new comments or cast votes. What do I do? In Word, it says the authentication session has expired. When I open Word on my Mac, the authentication session says the authentication has expired.

In this case, Office 2016 activation fails on MAC OSX. As a result of the upgrade of the Mac OSX software in mid-December to OSX Sierra (10.12.2), the keychain access problem is being caused by the upgrade. We have a solution to this error. We’ll explain the method to you. Follow our instructions to correct error 0xD000000C.


What causes the error “System is asking you to log in with a valid account” – MS Office 0xD000000C

What causes the error "System is asking you to log in with a valid account" - MS Office 0xD000000C

Microsoft office is a famed and affordable application which enables the users to complete various types of tasks. Users are using many versions of MS office program like- 97,2007, 2010, 2013, 2016. But as we know that Office 2016 is a famed and popular suite of office. You can face some common error while activating it on your computer system. Amongst all of these common errors, today we will discuss the Office error 0xD000000C. It’s an activation error. But you can easily resolve it. Read on to find a simple and effective procedure to get rid of office error 0xD000000C.

0xD000000C error code indicates that Microsoft Office is asking you to sign in with a valid account after you have installed it on your Mac. These solutions may be helpful to you. In order to activate your Microsoft Office installation, you will need to log into your Microsoft account.

The most common cause of this problem is:

  • Your Mac was equipped with Microsoft Office.
  • It has been uninstalled.
  • The Microsoft Office program has been updated.
  • The new installation was activated with the Microsoft account you used to sign up for it.

A computer cannot determine which activation is the new one when it detects the old one, which is the cause of this problem.

Activate the original installation after removing the previous activation.


To solve the “System is asking you to log in with a valid account” – MS Office error 0xD000000C

To solve the "System is asking you to log in with a valid account" - MS Office error 0xD000000C

Remove all data licenses from KeyChain Access

Activating a new Microsoft Office installation will result in this error message if KeyChain Access already contains the entry “Office”, as all passwords are stored in KeyChain Access. To do this, open Spotlight and search for “Keychain Access.” After typing, open the corresponding result. Therefore, you need to remove all Microsoft Office entries from KeyChain Access.

You will need to right-click the item you want to delete if you get one associated with the search term “office.”.

Deleting items from the library folder

Similarly to Windows application files, the library folder on a Mac will have the license removed if you delete certain files. Then you can get an activation window if you open the library folder. Using the “Go” button on your desktop will allow you to select folders from the top navigation bar. If you are unfamiliar with the process, click on it. Once you get a list of folders, press the Option key to select the Library folder.

This error occurs when your account is not valid. The error code is 0xD000000C.

A banner will appear across the top of the application window for the Microsoft Office product on the desktop (Word, Excel, etc.). Follow these steps to restore functionality:

There should be four entries entitled Group Containers in the Library folder.

  • Office file UBF8T346G9.doc
  • OfficeOneDriveSyncIntegration.UBF8T346G9.
  • OfficeOsfWebHost.UBF8T346G9.

To activate Word or Excel without errors, you must delete these four folders.

Use Microsoft Office License Removal Tool

It will not uninstall any Office products, but you will be able to remove the license instantly if you cannot find anything using KeyChain Access manually.

The Microsoft Office License Removal Tool can be downloaded from their website if you want to do this. Just follow the on-screen instructions.

Switching from a network account to a local account

If you are using a network account on your Mac, you must upgrade to a local account. Otherwise, you cannot activate your Microsoft Office installation. You can log out of your network account and log in to your local account. This is as simple as saying. If you don’t have a local account, you can create one first. To do this, open System Preferences and go to Users and Groups. Now you need to click on the lock icon and enter your password for further changes. You should find a plus sign (+) to click on to create a new user account.

Activation of Office requires you to log out of your network account, log in to your local account, and then fill in the fields with the necessary data.


Frequently Asked Questions

  1. In a web browser, go to
  2. Click on My Account.
  3. Display the Subscriptions panel.
  4. Look for Office 365.
  5. If you see it, you have the correct license, and it's not a problem. If you don't see it, make sure you're logged into the correct account.

Try rebooting your Mac and activating it again. If you still see this error, try the following: Run the Office for Mac license removal tool. Uninstall Office for Mac, then reinstall Office from

From the top menu bar, select Search -> Applications and scroll down to Microsoft Office applications. Open an Office application, such as Microsoft Word, and select Start in the What's New window that opens. On the Office activation screen, select Sign in.

Click the File tab. Select an account. On the right side of the screen, you'll see product activation information, as shown below. If you see the words "Product Activated", then the activation was successful.

Website | + posts

Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.