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Fix your Outlook email connection by repairing your profile
On the Email tab, choose your account (profile), and then choose Repair.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Get help with your Microsoft account - Microsoft Support
Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.
Applies To: Microsoft account dashboard
Add or remove a digital signature for Microsoft 365 files
Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
Using structured references with Excel tables - Microsoft Support
In our example data, we used the name DeptSales.. Use the following rules for table names: Use valid characters Always start a name with a letter, an underscore character (_), or a backslash (\).Use letters, numbers, periods, and underscore characters for the rest of the name.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel 2013, Excel Mobile
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Back up your folders with OneDrive - Microsoft Support
Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Applies To: OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Getting started with Microsoft Family Safety - Microsoft Support
A family group is a set of individuals connected through the Microsoft Family Safety app on their Windows, Xbox, or mobile devices. Establishing a family group is an easy, effective way to encourage healthy online habits and manage busy schedules.
Applies To: Microsoft Family Safety
How do I upgrade Office? - Microsoft Support
Microsoft 365 Family or Personal. If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, you already have the most current version of Office at no additional cost and should already receive the latest features to your Office apps.See What’s new in Microsoft 365 to learn more about the newest features.. If you don’t see these features, you may not have received the ...
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 for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, 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, Excel 2016 for Mac, Word 2016 for Mac, Outlook 2016 for Mac, PowerPoint 2016 for Mac, OneNote 2016 for Mac, Office 2016 for Mac, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Access 2013, OneNote 2013, Visio Professional 2013, Visio 2013, Office 2013, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Project Online, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Check your network connection status - Microsoft Support
Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings.Select Settings > Network & internet.The status of your network connection will appear at the top.