Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
Explore your options and settings when you install add-ins.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Change the capitalization or case of text - Microsoft Support
Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.
Applies To:
Word for Microsoft 365, PowerPoint for Microsoft 365, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Word for the web, PowerPoint for the web, Word 2021, PowerPoint 2021, Word 2021 for Mac, PowerPoint 2021 for Mac, Word 2019, PowerPoint 2019, Word 2019 for Mac, PowerPoint 2019 for Mac, Word 2016, PowerPoint 2016
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
Create a recovery drive - Microsoft Support
Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.
Send and receive text messages from your PC - Microsoft Support
You can't manage or delete messages on your PC. Send a new text message. Open Phone Link and select the Messages tab. Click on New Message to start a new conversation with any of your contacts. Enter the name or phone number of your contact to look up someone in your list.
Office 2019、Office 2016、または Office 2013 をダウンロードしてインストールまたは再インストールする
PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Créer un support d’installation pour Windows - Support Microsoft
Découvrez comment créer un support d’installation pour l’installation ou la réinstallation de Windows 7, Windows 8.1 ou Windows 10.
Change screen brightness in Windows - Microsoft Support
Get steps for how to change screen brightness in Windows.
Solve PC problems remotely with Remote Assistance and Easy Connect
Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.