Need to verify what version of Office you currently have installed on your Windows 11 PC? This article will explain how to check which version of Microsoft Office you have installed on Windows 11.1. Open any Microsoft Office program that would be installed onto your computer. Word, Excel, and PowerPoint are the most commonly installed software. 2. If a document opens up, on the top left corner of the Office program, click on File. If not, skip to the next step. 3. Click on Account which will be at the bottom left corner of the Office program. 4. You will now see the type of Office installed along with the version number under Product Information.