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Konstantinos Tsoukalas

Konstantinos is the founder and administrator of Since 1995 he works and provides IT support as a computer and network expert to individuals and large companies. He is specialized in solving problems related to Windows or other Microsoft products (Windows Server, Office, Microsoft 365, etc.).


  1. Muzamil Mugloo
    March 28, 2022 @ 1:16 pm

    Beautiful. I loved it. It worked like a charm.


  2. Wouter Pinkhof
    January 27, 2022 @ 5:39 pm

    This explanation does not seem to work. We are testing against an Exchange 2010 server where the above requirements are met (OWA access works and autodiscover is good). After creation of the xml file and after adding the key etc in registry, the setup still does not work with most recent Outlook version (Version 2112, build 14729.20260 Click and Run).


  3. Max
    December 1, 2021 @ 5:45 pm

    Your steps worked flawlessly. Thanks for knowing your stuff and helping everyone with this problem!!! The Internet is so filled with false solutions, I am so glad to have landed on your site! I have been personally managing an Exchange environment for years and am so disappointed that Microsoft forces people to use Office 365 and won't easily provide ways to connect Outlook to and on-premise Exchange anymore.


  4. Tom Rogers
    May 12, 2021 @ 12:35 pm

    Followed all of these steps (which seemed promising) but still could not connect Outlook with my company's EWS exchange account – even though it easily connects using both Outlook for MAc 365 and the native Windows 10 Mail app (and also Outlook Web App). Any further suggestions would be appreciated. In Windows 10 there are different options for the values in STep 2.3 so you may need to further specify these?


    • Tom Rogers
      May 12, 2021 @ 1:18 pm

      Further to my previous comment I did eventually succeed in setting the EWS exchange account up as an IMAP account using modified versions of the instructions below – but not able to log onto Exchange ActiveSync mail server (EAS). It would not recognise my username or password – no matter what combination I tried them with.
      To get the email working as IMAP I had to change "Autodiscover" to all lower case in Steps 1.2 and 1.3. Also in Step 2.3 you need to add "" name in the format "".


      • lakonst
        May 13, 2021 @ 9:33 am

        Have you found a solution to your problem? In my tests, the instructions for connecting Outlook to Exchange worked as described in this article. Note that in Step 3.3 you must enter the domain username and password. You also ask the Exchange administrator if an additional step or setting is required.


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