The Microsoft Office app was rebranded to Microsoft 365 Copilot a year ago — why is the news trending now?

The internet can be a tricky place sometimes. This week, you’ve likely seen stories or Reddit posts about Microsoft Office being rebranded to Microsoft 365 Copilot. While a rebrand did happen, it was an app that was rebranded and that change occurred a year ago. So, what gives?

First, a quick refresher. In January 2025, Microsoft made the decision to rename its Microsoft 365 app as “Microsoft 365 Copilot.” That was the second major rebrand for the app. It was known as “Microsoft Office” for years before it shifted to the Microsoft 365 moniker.