Setting up your own email signature is not a strenuous task for a single user (please see how to create or modify an email signature in Outlook 2010 and 2013). However, the perplexities may build up if you aim to set up several individual signatures for various email addresses you operate on in the same Outlook client.
In Outlook 2013 the easiest way is through adding a specifically edited signature for each user in File > Options > Mail and then, Signatures…
In this article I discuss how to work with email signatures in the Office 365 webmail client. To learn how to set up server-level email signatures for an entire Office 365 organization see this article.
1. After logging in to your Office 365 account, click Mail in the top menu or in the main panel to switch to Outlook Web App.
Fig. 1. Mail option in the Office 365 top menu
2. Click the Gear icon in the upper-right corner and select Options.
Fig. 2. Accessing Office 365 Outlook Web App options
