Microsoft Office 2013 preactivated refers to a version of the popular productivity suite that has already been activated, eliminating the need for users to enter a product key or activate the software manually. This version is often sought after by users who want to avoid the hassle of activation or have trouble finding a valid product key.

Microsoft no longer sells Office 2013 retail keys. Some argue that since extended support ended in April 2023, it is "abandonware." You can find original ISO files (not preactivated) on the Internet Archive. After installing, you can use a generic volume license key and a local KMS emulator—but this is still piracy. Proceed with caution.