: You can use a new product key to extend an existing subscription by entering it into your account's billing dashboard. Locating Your Product Key
The location of your key depends on how you purchased the software: 365 office product key
A is a unique, 25-character alphanumeric code (formatted as XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) used to redeem or renew a Microsoft 365 subscription. Unlike older, "one-time purchase" versions of Office, Microsoft 365 keys are typically used only once to link the subscription to your Microsoft account, after which the account itself becomes your license. Where to Find Your Product Key : You can use a new product key
: If purchased from an online retailer like Amazon or Best Buy, the key is usually sent via a confirmation email or stored in your digital locker on their site. Where to Find Your Product Key : If