Security experts are constantly warning against keeping outdated systems, software and security solutions. The web-based email client uses Webkit or Blink and renders emails similarly to (much easier).

The desktop version is similar to Outlook 2007-2019 and uses Word as a rendering engine (hard for email). However, this puts them at great cybersecurity risks because software that has reached end-of-life will have known vulnerabilities that are easy to exploit and very expensive to mitigate. There are two different versions of Outlook Office 365, the desktop email client and the web-based email client. Small and medium-sized businesses often can’t afford, or simply can’t be bothered, to upgrade their software. On the service side, we’ll be able to better prioritize requests and more effectively push data to clients,” it added.Īnd while upgrading to the latest and greatest of Microsoft “can be a challenge”, the company says there are many benefits to keeping up with the times, such as being up to date with security fixes, having more reliable software, and having access to all the new features. HTTP/2 is a full duplex protocol, which decreases latency through header compression and request multiplexing. Now, Select Office Account option from the List. Start Microsoft Program and Click on the File tab. There are different versions of MS Outlook for Mac and Windows and for every version there are different steps for knowing the Bit version. “We’re working on adding support for HTTP/2 in Microsoft 365. How to Check Outlook Version 32 bit or 64 bit on various Outlook Application.

If you see Office Updates under Product Information, as shown in the following figure, you are using a click-to-run installation of Office. Further explaining what the move means, Microsoft said that from November 1 onwards, older versions of Outlook will no longer have support for basic authentication (that should improve the security of Microsoft 365, the company said). To determine whether you are using a Click-to-run version of Office, click the File tab in Outlook, and then click Office Account.

How to check the outlook version