Learn about the differences between a Microsoft 365 subscription, Office 2024, and the free Microsoft 365 web apps.

Microsoft 365 高级版是面向 1 到 6 人的订阅，其中包括所有个人 AI 功能提供的最高使用限制。 每人最多 6 TB 的云存储空间 (1 TB) 、强大的生产力和创造力应用、数据和设备的高级安全性，以及持续的客户支持。

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

Last updated: April 2026 Introduction to AI credits and limits Microsoft 365 Personal, Family, and Premium plans include the latest AI features to power your productivity and creativity. Some of these features have limits to the number of times they can be used within a specific time period while others require the use of AI credits. Limit and AI credit allotments depend on your Microsoft 365 ...

Microsoft 365 is a subscription service that makes sure you always have the most up-to-date modern productivity tools. If you're looking to buy Microsoft 365, but not sure which plan is right for you, use the information below to help guide your decision. Business plans versus personal and family plans

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Introduction The Windows 10 Extended Security Updates (ESU) program gives customers the option to receive security updates for PCs enrolled in the program. ESU is a paid program that provides individuals and organizations of all sizes with the option to extend the use of Windows 10 devices past the end of support date in a more secure manner. For more information about the Windows 10 lifecycle ...

Microsoft is modernizing the activation experience for perpetual licenses. Beginning December 3, 2025, the traditional telephone-based product activation automation process has been moved from telephone to online. Customers will instead use the Product Activation Portal: Product Activation Portal The new digital workflow provides a more secure, reliable, and user‑friendly activation ...

What's an "incident"? An incident is defined as a single support issue and the reasonable efforts needed to resolve it. A single support issue is a problem that can't be broken down into subordinate problems. If it can be broken down into subordinate problems, each subordinate problem shall be considered a separate incident. An incident may require multiple contacts and offline research to ...

Microsoft 365 Premium is a subscription for one to six people that includes the highest usage limits available on all personal AI features ¹, up to 6 TB of cloud storage (1 TB per person), powerful productivity and creativity apps, advanced security for your data and devices, and ongoing customer support.