The abbreviation actually stands for “Outlook Web App”, which was the official name of the app used with Microsoft Exchange Server 2013 & 2010, formerly called “Outlook Web Access” in case of Microsoft Exchange Server versions older than 2010. By the way, the name “Outlook on the web” is being used interchangeably with “OWA”. Besides being part of a Microsoft 365 subscription, it’s also available for organizations using on-premises Microsoft Exchange Server 2016 & 2019.

Outlook on the web, on the other hand, is the webmail version of Outlook, allowing you to access your email account through your web browser. It’s the most recent iteration, originating from a long line of apps included in Microsoft Office suites and standalone programs, so you might say it’s the longest known, as it brings to the table all the features and improvements implemented over the years. To be precise, Outlook for Microsoft 365 is the version of the app installed on desktop or laptop computers. The name stuck nonetheless and nowadays can be found all over the Internet, including tech community forums and specialist websites. This can be very confusing, especially since the name doesn’t explain whether the user means the app installed locally or the webmail version. Both come as a part of the Microsoft 365 subscription, which is probably the reason why so many users came to name them “Outlook 365”. There are two Outlook versions which this name may relate to: Outlook for Microsoft 365 and Outlook on the web. It might come as a bit of a surprise, but officially, there’s no such thing as “Outlook 365”.

Outlook 365: Outlook for Microsoft 365 vs Outlook on the web (OWA) Overcoming limitations with a third-party tool.

Signature setup in Outlook for Microsoft 365.Outlook for Microsoft 365 vs Outlook on the web (OWA).In this article, I’m going to quickly explain what Outlook 365 stands for and how to set up email signatures in this Microsoft-365-powered email client. Outlook has evolved a lot since its first appearance, leading to its supposedly final form, “Outlook 365”. This is no surprise, as it has been around for decades and managed to become the ‘gold standard’ of this software category in the meantime. Microsoft Outlook is the go-to email client for most businesses and enterprises.

Web 365 mail