Using product keys with Office - Microsoft Support
Answers to questions on finding, getting, and applying product keys.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Reduce the file size of your PowerPoint presentations
If the file size of your presentation is too large, try the following tips to make it more manageable.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Fix problems with the Start menu - Microsoft Support
Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.
Anzeigen von Anzeigeeinstellungen in Windows - Microsoft-Support
Erfahren Sie, wie Sie Einstellungen-App zum Anzeigen und Ändern von Anzeigeeinstellungen in Windows.
Rename notebook - Office Support
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Windows location service and privacy - Microsoft Support
Find out how the Windows location service works and how to change the location privacy settings.
What's new in recent Windows updates - Microsoft Support
See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.
如何安装最新版本的 DirectX - Microsoft 支持
本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。
Microsoft 365 Access Runtime をダウンロードしてインストールする - Microsoft サポート
Microsoft 365 Access のデスクトップ バージョンがなく、Access 2010 以降で実行するためにビルドされたアプリケーションを使用する必要がある場合は、Microsoft 365 Access アプリケーションを実行できる Microsoft 365 Access ランタイムをダウンロードします。
Applies To:
Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.