cscript ospp.vbs /unpkey:OLDKEY
(Word, Outlook, Teams, etc.). Use Task Manager to ensure no background Office processes are running.
The software will likely contact Microsoft servers to verify the new key. You may be asked to sign in with the Microsoft account associated with the new license. Once verified, Office will update its features immediately.
But when she opened Word and went to , the “Change Product Key” button was grayed out. Invisible. Unclickable. how to change office 2021 product key
For most users, is the fastest and most reliable way to change an Office 2021 product key. It bypasses the missing GUI button and directly interacts with the licensing service.
Ellen learned that for Office 2021, you can’t always change the key from inside the app if there’s an activation conflict. You have to go through the back door —the Windows Command Prompt.
Ellen learned three things that day:
Sometimes the "Switch License" button is missing, or the old key is stuck. In these cases, you have to do what Leo did: use the Command Prompt to manually clear the old license.
However, there are numerous scenarios where you might need to swap out an old key for a new one. You might be upgrading from a trial version to a full license, switching from a volume license to a retail key, or simply fixing a typo made during the initial installation.
is a meticulous architect who just bought a new laptop. He’s ready to move his Office 2021 license over, but he realizes he accidentally activated the wrong one from his stack of key cards. He needs to swap it out without reinstalling everything. cscript ospp
To change your Microsoft Office 2021 product key, you can use the graphical interface within an app or the Command Prompt if you encounter issues. 🖥️ Method 1: Using the Office App (Easiest)
Now, type the command below, replacing the placeholder with your full 25-character key: cscript ospp.vbs /inpkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
The computer thought for a second, then said: You may be asked to sign in with
: Under the Product Information section, click the Switch License button (or Change Product Key ).
Run: cscript ospp.vbs /inpkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (Replace with your full 25-character key.)