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Bookmark or Share- Activate Office - Microsoft SupportSee Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in WinHTTP in Windows. Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.
- View, manage, and install add-ins for Excel, PowerPoint, and Word ...View, manage, and install add-ins for Excel, PowerPoint, and Word. When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
- Block or unblock external content in Office documentsBlocking external content helps to prevent Web beacons and other intrusive methods that hackers use to invade your privacy and lure you into running malicious code without your knowledge or consent. What is external content, and why are Web beacons a potential threat?
- Undo, redo, or repeat an action - Microsoft SupportYou can undo, redo, or repeat many actions in Microsoft Word, PowerPoint, and Excel. You can undo changes, even after you have saved, and then save again, as long as you are within the undo limits (By default Office saves the last 100 undoable actions). To undo an action press Ctrl+Z on your keyboard, or select Undo on the Quick Access Toolbar.
- Install Office updates - Microsoft SupportLearn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
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