Get to your files from anywhere - at work, at home, or on the go. Set up the Office apps on your mobile device.

Modern Authentication Methods now needed to continue syncing Outlook Email in non-Microsoft email apps

You can add your credit card, debit card, bank account, PayPal account, or mobile phone as a new payment method for your Microsoft account.

Get expert help, training, and support for your Microsoft PC accessories with easy access to resources and guidance.

Steps to take if your Temp folder continually fills up with APPX files after emptying it out.

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了解如何接收从 Microsoft 购买的商品的退款或换货。

Send contact information in virtual business card (.vcf) format and save virtual business cards (vCards) in your contacts. The ,vcf format is the Internet standard for sharing contact information.

激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 可通过三种方法激活产品：通过 internet 联机激活、使用自动化系统通过电话激活，以及通过实时支持人员激活。

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.