Reduce the file size of your PowerPoint presentations
网页If the file size of your presentation is too large, try the following tips to make it more manageable. Newer versions Office 2016. Compress pictures in your presentation. Select a picture in your document. The Picture Format tab appears. On the Picture Format tab, in the Adjust group, select Compress Pictures.
Open a document after a file corruption error - Microsoft Support
网页Sometimes a file can be damaged in such a way that Word, Excel, or PowerPoint can't open it normally. But all is not lost. The Open and Repair command might be able to recover your file. Click File > Open > Browse and then go to the location or folder where the document (Word), workbook (Excel), or presentation (PowerPoint) is stored.
Enable or disable macros in Microsoft 365 files
网页Block suspicious macros in Office on Windows 10 S. How malware can infect your PC. Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.
Reduce the file size of a picture in Microsoft Office
网页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.
Repair an Office application - Microsoft Support
网页If a Microsoft 365 application such as Word or Excel isn’t working correctly, sometimes restarting it will fix the problem. If that doesn’t work, you can try repairing it. When you’re done, you might need to restart your computer. Windows 10 Windows 11. The steps to access the repair tool vary depending on your operating system.
A subscription notice appears when I open a Microsoft 365 …
网页If you see a notice to buy, renew, or reactivate your Microsoft 365 subscription when you open Word, Excel, or any other Office application, you'll need to take action in order to keep using Office.
Change the size of your slides - Microsoft Support
网页Basic steps. To change the slide size: Select the Design tab of the toolbar ribbon. Select Slide Size near the far right end of the toolbar. Select Standard (4:3 aspect ratio) or Widescreen (16:9) or Custom Slide Size.
Undo, redo, or repeat an action - Microsoft Support
网页You 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 …
Change the capitalization or case of text - Microsoft Support
网页You can change the capitalization, or case, of selected text in a document by selecting a single button on the Home tab called Change Case. Note: For information on automatic capitalization rules, see Choose AutoCorrect options for capitalization, spelling, and symbols. Change case.
Copy and paste using the Office Clipboard - Microsoft Support
网页The Office Clipboard allows you to copy up to 24 items from Office documents or other programs and paste them into another Office document. For example, you can copy text from an email message, data from a workbook or datasheet, and a graphic from a presentation, and then paste them all into a document. By using the Office Clipboard, …
Manage your Microsoft 365 subscription or Office product
网页For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.