How do I log on as an administrator? - Microsoft Support
Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.
Unblock my Outlook.com account - Microsoft Support
If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.
Applies To:
Outlook.com
Account has been locked - Microsoft Support
Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
在 Excel 電子表格中插入物件 - Microsoft Support
瞭解如何在 Excel 電子表格中插入如 Word 檔、PowerPoint 簡報、Visio 繪圖、圖形等物件。
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Create a system restore point - Microsoft Support
Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Send large files with Outlook - Microsoft Support
Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Download and install Microsoft 365 Access Runtime
Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.
Applies To:
Access for Microsoft 365, Access 2021, Office 2021, Access 2019, Office 2019
設定和使用 Xbox 訪客帳戶 | Xbox Support
版主：為好友或家庭成員建立訪客帳戶的玩家。; 訪客：現在使用暫時帳戶做為主機 Xbox 設定檔副本的玩家。
Make a checklist in Word - Microsoft Support
How to create a checklist in Word that can be filled out by using checkbox controls.
Applies To:
Word for Microsoft 365, Word for the web, Word 2021, Word 2019, Word 2016
Change default programs in Windows - Microsoft Support
Use Settings in Windows 10 to change default apps and programs.