from: https://www.isunshare.com/product-key-finder/how-to-find-microsoft-office-2010-product-key-code.html Indeed, it is annoying when you want to find somthing but fail. Here, you can get the simple steps to find Microsoft Office 2010 product key.

1. could be found easier

2. 
 Microsoft Office 2010 trial version product key lost?
Forgot the full version key code for Microsoft
Office 2010?
 How can I get back the Office 2010 product key?
Question

3. 
 If pre-installation of Office 2010 trial version has
been provided, product key code can be found
through icon of desktop trial version.
 CD box or non-drying label on other packing
materials.
 Microsoft product identification card
 Download online or update notice the received
confirmation email
Ways to find the free trial Microsoft Office
2010 product key code

4. 
You can try to get the code with these proof.
 CD box or non-drying label on other packing
materials.
 Certificate of authenticity
 Received confirmation email when purchase online
How to find full version product key
code for Office 2010

5. 
You can try to get the code with Product Key Finder.
 Step 1: Download and install Product Key Finder on
your computer and install Office 2010.
 Step 2: Find Key code.
 Step 3: Save Office Product key.
How to find full version product key
code for Office 2010

6. 
Details: https://www.isunshare.com/product-key-
finder/how-to-find-microsoft-office-2010-product-key-
code.html