Sign in and create a signature for Outlook on the web
![Your browser does not support video. Install Microsoft Silverlight, Adobe Flash Player, or Internet Explorer 9.](https://support.content.office.net/en-us/media/4873755a-8b1e-497e-bc54-101d1e75d3e7.png)
With Outlook on the web running in your web browser, you can:
-
Organize email to focus on what matters most.
-
Manage your calendar, meetings, and appointments.
-
Share files from the cloud so everyone always has the most current version.
-
Stay connected and productive wherever you are.
If you're using the desktop version of Outlook on a PC, see Outlook 2016 Quick Start.
If you're using the desktop version of Outlook on a Mac, see Office 2016 for Mac Quick Start Guides and Outlook 2016 for Mac Help.
Sign in to Outlook on the web
-
Sign in to office.com/signin or Outlook.com.
-
Select the Microsoft 365 App Launcher
, and then select Outlook.
![The Microsoft 365 app launcher with the Outlook app highlighted.](https://support.content.office.net/en-us/media/67ed8d8c-a119-4b9d-a8a3-aff7ff44dbda.png)
Create a signature
-
Select Settings > Compose and reply.
-
Create your signature.
-
Select the default signature for new messages and for replies.
-
Select Save.
![Creating an email signature in Outlook on the web](https://support.content.office.net/en-us/media/01699408-2f96-4a0a-b8e9-807bad37587d.png)