How to Steps
Window Users
1. Open Outlook
2. Create a new document.
3. Select File in the upper-left corner.
4. Select Office Account from the list to the left.
5. Under Product Information, select About Outlook
6. A new dialogue box will open containing the full version number.
7. In the first line of information, note the number given, especially the first two digits.
macOS Users
1. Open Outlook
2. Create a new document.
3. Go to the Office menu, and select About Outlook and a new dialogue box will open containing the full version number.
4. Locate the version number.
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