Does anyone know where I can find the product key for Office 2010? I need to reinstall it on a Dell computer, but I don't have the Office serial number. I have lots of keys, but I'm concerned that the one I install may have been used on another computer at my company."

Did you have the same problem when the reason shows up? To be honest, we didn't mention to save your product key of Microsoft Office 2010 in an easily accessible place when installing it on your computer. But how can you find the serial number that has been installed for a long time? Here, you can get 4 quick ways to look up your Office 2010 product key. Choose either manual or automatic method to retrieve your forgotten program key.

Option 1: Find Office 2010 Product Key Using CMD
Option 2: Locate Office Product Key Through the Registry
Option 3: Use a Third-Party Product Key Finder Tool for Office 2010
Option 4: Retrieve Microsoft Product Key with VBScript
Option 5: Check the Serial Number in Email Receipts, Packaging, or Certificate

Option 1: Find Office 2010 Product Key using CMD

After installing it on your computer, you can use the Command Prompt to find your lost product key, but you'll need to know whether you have the 32-bit or 64-bit version of Office first. Check which version of Office you have first.

Important: How do I tell which version of Office I have?

Step 1: Open your Office application. Click on the "File" tab, and then select "Account" from the left-hand menu.

Step 2. Under Product Information, you can view the basic details of your Microsoft Office 2010. Click on the About Excel section to find out whether you have the 32-bit or 64-bit version of Office.

How to find the product key for Microsoft Office 2010

Step 1. Press the Windows + R keys to open the Run dialog box. Type `cmd` and hit Enter to open the Command Prompt.

Step 2. When the Command Prompt window appears, type in the following command and press Enter.

For the 32-bit version of Windows:

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

For the Windows 64-bit version:

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

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

Step 3: You can view details about the installed Office. Look for the last 5 characters of the product key that was installed.

Step 4: Contact Microsoft to trace the full Office key.

Option 2: Find Office Product Key using the Registry

To find the installed product key, you can search for the Office serial number through the Registry. However, the product key is encrypted and is typically unreadable.

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

Step 2: Locate the DigitalProductID key by following this path: HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\DigitalProductID.

Option 3: Find your Office 2010 product key with a third-party product key finder

Instead of going through many steps or digging through your boxes for the sticker, we suggest using the Todo PCTrans tool to easily retrieve your Microsoft Office 2010. After downloading the free software, you'll see on the left side the highlighted “Product Key” feature that will export and save the keys of your Office, Windows, and Adobe products in two simple steps.

How to Find the Product Key for Microsoft Office 2010

Step 1: Run Todo PCTrans on your computer, and then choose the "Product Key" option on the left.

Step 2: Click on “Scan,” and you'll see the product keys for Windows, Adobe, and Office. You can save the keys to a chosen location or select “Copy” to use them directly.

4 Ways to Find Your Microsoft Office Product Key

How to find your Microsoft Office product key? Here are 4 effective methods to find the Microsoft Office product key.

Option 4: Retrieve MS Product Keys using VBScript

Step 1: Search for "Notepad" and click to open it.

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: Click the "File" tab and then choose "Save As..."

Save the name as findproductkey.vbs.

Choose “All Files” as the file type and click the “Save” button.

Step 4. Locate your VBScript file and double-click it to open.

Then, the Product Key window will appear, check your lost MS Office key and click on OK.

Option 5: Look for the serial number on an email receipt, packaging, or certificate

Instead of using CMD, the Registry, tools like Todo PCTrans, or online methods with VBScript, you can try the solutions below, although finding the leftover files might take more time.

1 - Check your email receipt

If you bought Microsoft Office from an online store, your product key was sent to you in an email. Look for an email with a subject line from Microsoft.

2 - Check the preloaded computer certificates

If you have Microsoft Office pre-installed on your computer, you can check the certificate to find the product key.

3 - Look for the product key on the packaging

If you bought MS Office in a box, check the packaging, if you still have it.

Last Words

In this article, you'll find 5 methods to locate your MS Office product key. I recommend using the Todo PCTrans tool and CMD, both of which are reliable and involve straightforward steps. If you're unsure which method to choose, give these two a try.