How to Change or Reset Product Key of Microsoft Office Suite ?

Many times you might want to change the product key of Microsoft Office suite installed in your system. It might be because your product key expired and you got a new one or it might be because you installed Office using pirated key and now you want to change the product key with a genuine one.

To change the product key you'll have to uninstall the Office suite from your system and then reinstall it.

But here is a small and simple tutorial which will help you in changing the product key without uninstalling the Office suite.

This tutorial will work for following Office suites:
♦ Office XP
♦ Office 2003
♦ Office 2007
♦ Office 2010
♦ Office 2013


Change Office XP Product Key:

1. Type regedit in RUN dialog box and press Enter. It'll open Registry Editor. Now go to following key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\10.0\Registration

2. Under "Registration" key, you'll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format:

{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

3. Select each key and look at "ProductName" key in right-side pane. One GUID key will contain the version number of Office installed in your system "Microsoft Office XP Professional Edition".

4. Select that GUID key and delete following 2 registry entries from right-side pane:

♦ DigitalProductID
♦ ProductID

5. Close registry editor and run any Office application e.g. word, excel, etc. It should prompt you to enter a new product key.

6. Enter the desired product key and click on OK. That's it.


Change Office 2003 Product Key:

1. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\11.0\Registration

2. Under "Registration" key, you'll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format:

{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

3. Select each key and look at "ProductName" key in right-side pane. One GUID key will contain the version number of Office installed in your system e.g. "Microsoft Office Professional Edition 2003".

4. Select that GUID key and delete following 2 registry entries from right-side pane:

♦ DigitalProductID
♦ ProductID

5. Close registry editor and run any Office application e.g. word, excel, etc. It should prompt you to enter a new product key.

6. Enter the desired product key and click on OK. That's it.


Change Office 2007 Product Key:

1. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\12.0\Registration

2. Under "Registration" key, you'll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format:

{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

3. Select each key and look at "ProductName" key in right-side pane. One GUID key will contain the version number of Office installed in your system "Microsoft Office Professional Edition 2007".

4. Select that GUID key and delete following 2 registry entries from right-side pane:

♦ DigitalProductID
♦ ProductID

5. Close registry editor and run any Office application e.g. word, excel, etc. It should prompt you to enter a new product key.

6. Enter the desired product key and click on OK. That's it.


Change Office 2010 Product Key:

1. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Registration

2. Under "Registration" key, you'll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format:

{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

3. Select each key and look at "ProductName" key in right-side pane. One GUID key will contain the version number of Office installed in your system "Microsoft Office Professional Edition 2010".

4. Select that GUID key and delete following 2 registry entries from right-side pane:

♦ DigitalProductID
♦ ProductID

5. Close registry editor and run any Office application e.g. word, excel, etc. It should prompt you to enter a new product key.

6. Enter the desired product key and click on OK. That's it.


Change Office 2013 Product Key:

1. Type regedit in RUN dialog box and press Enter. Now go to:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\15.0\Registration

2. Under "Registration" key, you'll see one or more GUID (Globally Unique IDentifiers) containing a combination of alphanumeric characters in following format:

{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

3. Select each key and look at "ProductName" key in right-side pane. One GUID key will contain the version number of Office installed in your system "Microsoft Office Professional Edition 2013".

4. Select that GUID key and delete following 2 registry entries from right-side pane:

♦ DigitalProductID
♦ ProductID

5. Close registry editor and run any Office application e.g. word, excel, etc. It should prompt you to enter a new product key.

6. Enter the desired product key and click on OK. That's it.

IMPORTANT NOTES:
A. Take a backup of "Registration" key before deleting the registry entries from right-side pane, so that in case the new product key doesn't work you can restore the previous key without any problem. To take backup right-click on "Registration" key and select "Export".

B. If you are a x64 bit Windows user, then the key location will be different in registry. Please check following paths:

Office XP:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\10.0

Office 2003:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\11.0

Office 2007:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\12.0

Office 2010:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0

Office 2013:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\15.0

For Office 2013 on 32-bit Windows:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\15.0\Registration

For Office 2013 on 64-bit Windows:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\15.0