Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Sign in to Microsoft 365
For Microsoft 365 or Office apps installed on a Windows PC: If you're not already in a Microsoft 365 or Office file or document, open an app such as Word or Excel, and open an existing file, …
Download, install, or reinstall Microsoft 365 or Office 2024 on a PC …
Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.
Reset your PC - Microsoft Support
Learn about the different reset options in Windows and how to reset your device.
Download and install or reinstall Office 2021, Office 2019, or Office ...
Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.
Change or reset your password in Windows - Microsoft Support
Discover the step-by-step process to change or reset your Windows password if you've lost or forgotten it. This guide will help you regain access to your Windows account quickly and securely.
Ways to install Windows 11 - Microsoft Support
2025年2月4日 · Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.
Customer service phone numbers - Microsoft Support
2025年7月31日 · For volume licensing support, open your Microsoft 365 admin center, select Help & support, and search for "manage volume licensing" or submit an online support request. …
Transitioning to Microsoft Planner and retiring Microsoft Project …
2025年5月2日 · Collaboration between humans and AI for efficient team project management. Copilot in Planner (public preview) and Microsoft 365 Copilot with the new Project Manager …
What’s new in Microsoft 365 Copilot | June 2025 | Microsoft …
2025年6月30日 · Microsoft 365 Copilot app available for MacOS We’re excited to announce the Microsoft 365 Copilot app for MacOS—a streamlined way for Mac users to weave AI into their …