Welcome to your email - Microsoft Support
Learn how to use your Outlook inbox effectively with Microsoft Support's training resources.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Fix Ethernet connection problems in Windows - Microsoft Support
Learn about different things you can try to fix Ethernet network connection problems in Windows
How to use the PC Health Check app - Microsoft Support
Learn how to use the PC Health Check app to help you improve your device performance.
Change your Microsoft account password - Microsoft Support
On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.
Applies To:
Microsoft account dashboard
Microsoft 365 Training
Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
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.
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, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 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 Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, InfoPath 2013
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.
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
What is OneDrive? (work or school) - Microsoft Support
Training: With OneDrive, you can securely store your pictures and files, share and collaborate with others, and get to your files from anywhere - on your computer, laptop, tablet, or phone.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, Office for business, OneDrive (work or school), OneDrive for Mac, OneDrive for Windows