How to Find or Recover Microsoft Office 2010 Product Key Already Installed

You need the 25 character product key when you are going to re-install Office 2010 for some reason. But it happens to many users that your product key is misplaced. So how to find Microsoft Office 2010 product key? Get your methods in this article.

"Does anyone know where can I find the office 2010 product key? Cause I need to reinstall a Dell Computer and I am without the serial key of the Office, so have a lot of keys with me but I am afraid to install a key what is already installed in another computer of our company."

Have you got the same questions as the cause is shown? When we install Microsoft Office 2010 on the computer, honestly, we don't mention saving product key to an easy-to-find place in case of reusing. But how to find a serial number already installed for a long time? Here you can get 4 quick ways to find Office 2010 product key. Pick the manual or automatic to recover the forgotten program key.

1. Option 1. Find Office 2010 Product Key with CMD
2. Option 2. Using Registry to Find Office Product Key
3. Option 3. Find Office 2010 Product Key via Third-party Product Key Finder
4. Option 4. Get MS Product Key via VBScript
5. Option 5. Find Serial Key from Email Receipt, Box, Certificate

Option 1. Find Office 2010 Product Key with CMD

Once it is installed on the computer, the forgotten product key can be found with the command prompt. But you need to figure out the bitness -- 32-bit or 64-bit of Office. Check your office version first.

Note: How to Check Bitness of Office?

Step 1. Open the Office application. Click the File tab and select the Account tab on the left menu.

Step 2. Under the Product Information, you can see the basic info of Microsoft Office 2010. Click the About Excel section and you'll find your Office bit-version (32-bit or 64-bit).

How to Find Microsoft Office 2010 Product Key

Step 1. Press the Windows + R shortcut key to open the Run box. Type cmd and hit Enter to open Command Prompt.

Step 2. When the command prompt window pops up, type the following command and hit Enter.

For Windows 32-bit version:

Office 2010 (32-bit): cscript "C:\Program Files\Microsoft Office\Office14\OSPP.VBS" /dstatus

For Windows 64-bit version:

Office 2010 (32-bit): cscript "C:\Program Files (x86)\Microsoft Office\Office14\OSPP.VBS" /dstatus

Office 2010 (64-bit): cscript "C:\Program Files\Microsoft Office\Office14\OSPP.VBS" /dstatus

Step 3. You can get the detailed info of installed Office. Look at the last 5 characters of the installed product key.

Step 4. Contact Microsoft to track the full Office key.

Option 2. Using Registry to Find Office Product Key

To find the installed product key, you can find Office serial number through Registry. But the product key is encrypted so you can not read it normally.

Step 1. Press Windows +R to open the Run box, type Regedit, and press Enter.

Step 2. Follow the path to reach the DigitalProductID: HKEY_LOCAL_MATHINE\Software\Microsoft\WindowsNT\CurrentVersion\DigitalProductID.

Option 3. Find Office 2010 Product Key via Third-party Product Key Finder

No need to apply many steps or rummage through a box or sticker, we recommend using EaseUS Key Finder to easily retrieve the Microsoft Office 2010. Free download the software and you'll see the salient "Product Key" feature on the left panel, which use to export and save Office, Windows, Adobe product keys in two steps.

How to Find Product Key of Microsoft Office 2010:

Step 1. Click "Application" tab under "Registry Key".

Step 2. View Applications Registry Keys on the right panel. EaseUS Key Finder will show all keys of installed software. Copy the targeted serial numbers. Also, you can click "Print" or "Save".

Option 4. Get MS Product Key via VBScript

Step 1. Type notepad in the search box and click to open.

Step 2. Copy and paste the code.

Set WshShell = CreateObject("WScript.Shell")
MsgBox ConvertToKey(WshShell.RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId"))
Function ConvertToKey(Key)
Const KeyOffset = 52
i = 28
Chars = "BCDFGHJKMPQRTVWXY2346789"
Do
Cur = 0
x = 14
Do
Cur = Cur * 256
Cur = Key(x + KeyOffset) + Cur
Key(x + KeyOffset) = (Cur \ 24) And 255
Cur = Cur Mod 24
x = x -1
Loop While x >= 0
i = i -1
KeyOutput = Mid(Chars, Cur + 1, 1) & KeyOutput
If (((29 - i) Mod 6) = 0) And (i <> -1) Then
i = i -1
KeyOutput = "-" & KeyOutput
End If
Loop While i >= 0
ConvertToKey = KeyOutput
End Function

Step 3. Select the File tab and choose "Save As..." 

Save name as findproductkey.vbs

Select the File type as "All Files" and click the Save button.

Step 4. To find your VBS file and double-click to open it.

Then the product key window will appear. Check your lost MS office key and click OK.

Option 5. Find Serial Key from Email Receipt, Box, Certificate

Compared with the online methods with CMD, Registry, EaseUS Key Finder, VBScript, the following solutions can have a try but it takes more time to search the leftover material.

1 - Check Your Email Receipt

If you purchased Microsoft Office from an online store, the product key should be sent to your mailbox. Search the email named Microsoft.

2 - Check Certificate of Pre-installed Computer

If you have bought Microsoft Office that came with a pre-installed computer, you can check the certificate to retrieve the product key.

3 - Find Product Key on Box 

If you purchased MS Office through the box, check the packaging if you still keep it.

Final Words

In this article, the MS office product key can be found in 5 ways. For my advice, EaseUS Key Finder and CMD are reliable options with easy steps. If you are worried about which methods to choose from, try both two ways.