Check your spam, mass, or garbage mail organizers for the email.
Take a stab at scanning your email for “Microsoft” or the name of the organization where you purchased Office.
On the off chance that you have different email accounts, browse the email account that you gave when you obtained MS Office 2010 on the web.
On the off chance that you can’t discover the email receipt, you might have the capacity to recover the data contained in the email by utilizing the Order History interface for the store you made the buy from.
Go the Digital River download data page.
Select Find my item key and enter the data asked for to download programming or get your item key
Go to www.microsoftstore.com. In the upper right-hand corner, select Sign in and enter the client ID and secret key you used to purchase Office.
After you sign in, select your name in the upper right-hand corner, and after that select Order History.
Find the Office one-time buy or individual Office application, and after that select Install Office to see your item key.
Note that this item key won’t coordinate the item enter appeared in My Office Account. This is ordinary.