Reduce the file size of a picture in Microsoft Office
You can reduce the file size and save disk space by compressing pictures in your document. The compression options reduce both the file size and picture dimensions based on how you intend to use the picture, such as viewing on screen or in an email message.
Active content types in your files - Microsoft Support
This article lists types of active content that can be blocked by the settings in Trust Center and which, when present, will cause the display of a message bar upon opening the document. When active content is blocked, a Security Warning appears.
Personalized offers and discounts based on how you use Office
When you use Microsoft Office apps and features, you might occasionally receive notifications, emails, or other messages from Microsoft offering you things like the opportunity to try an updated version of a Microsoft app, or a new Office feature, or a …