Outlook web app is the email front end web service for Exchange server and Office365.
The website claims HTML 4.01 Transitional DTD, which includes presentation attributes and elements that W3C expects to phase out as support for style sheets matures.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Last updated 29th January.
We track technology usage on over 250 million websites showing which sites use shopping carts, analytics, hosting and many more.
Sign up for Free
Download the BuiltWith Google Chrome Extension and get website lookups directly in your browser.
Download the BuiltWith Safari Extension and get website lookups directly in your browser.
Download the BuiltWith Firefox Addon and get website lookups directly in your browser.
The Builtwith Bookmarklet, to install, drag this link to your browser toolbar: BuiltWith Bookmarklet
Can't find the technology? Send us a suggestion, we'll add it to our database.