Add an editing or authoring language or set language …
You can use the Office language options to add a language, to choose the UI display language, and to set the authoring and proofing language. The language options are in the Set the Office Language Preferences section of the Office Options dialog box, which you can access by going to File > Options > Language.
Unlicensed Product and activation errors in Office
If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.
Overview of diagnostic log files for Office - Microsoft Support
When a user runs an Office app, such as Word or Excel, diagnostic information is collected and saved to log files on the user’s device. These log files contain information about the processes and components running in the application, and can help detect, diagnose, and fix issues and help make improvements to Office.
Recover your Word files and documents - Microsoft Support
Recover your Word files and documents. When Office app closes unexpectedly before you save your most recent changes, Document Recovery automatically opens the next time you open the Office app to help you get your file back.
Translate text into a different language - Microsoft Support
Outlook replaces the message text with translated text. After you've translated the message, you can select Show original to see the message in the original language or Turn on automatic translation to always translate messages to your preferred language. In the message, select Never translate.
Using modern comments in Word - Microsoft Support
Modern comments aligns the commenting experience across Word platforms and other Office apps, especially Word, Excel, and PowerPoint. Two ways to view comments. When you add a comment in Word, you'll see it appear in the right margin as …
What is Protected View? - Microsoft Support
Protected View is a read-only mode where most editing functions are disabled. There are several reasons why a file opens in Protected View: The file was opened from an Internet location - When you see the message in Protected View that says "Be careful - …
View digital signature and certificate details - Microsoft Support
View digital signature and certificate details. You can view information about a digital signature, or the certificate that is used to create the digital signature, in Word, PowerPoint, and Excel. For more information on adding or removing digital signatures, see Add or remove a digital signature.
Remove a watermark - Microsoft Support
Remove a watermark by clicking the header area. If you can't delete a watermark using Remove Watermark, try this: Double-click near the top of the page to open the header area. Put your cursor over the watermark until you see a 4-way arrow. Select the watermark.
Keep text together - Microsoft Support
Keep words on the same line. Word automatically breaks the text at a space or a hyphen at the end of a line. To keep two words or a hyphenated word together on one line, you can use a nonbreaking space or nonbreaking hyphen instead of a regular space or hyphen.
Where are my custom templates? - Microsoft Support
Recover your custom templates. Learn how to find your custom templates created with earlier versions of Office and access a custom templates location.