Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

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.

Learn how to play different type of CDs and DVDs in Windows Media Player.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find.