Learn how to reinstall Windows on your PC and how activation works after it's installed.

Learn how to use drag and drop to transfer content between your Android device and PC.

Use a ready signature template from a gallery to create your email signature in Outlook.

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

How to add and request read receipts and delivery notifications in Outlook.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Whether you like to apply changes that affect your photo's quality, feel, and look—or you want to add information on top of your photos, the Microsoft Photos app in Windows gives you all kinds of options for getting your photos and videos looking their best.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.