My concern is that MS will force modern authentication soon, and switch off basic authentication. Is there some kind of setting within O365 that’s forcing Outlook to use basic authentication ? Other apps are using modern authentication perfectly well, including Teams. I authorise the applications after installation with modern authentication, and OneDrive client uses it oo, so it looks like it’s only Outlook that’s forcing basic authenticatio


If it continues to be problematic, you may need to either a.) Remove any related credentials from the users credential manager in Control Panel, it b.) Create a new outlook profile. Modern authentication (ADAL) with AD FS requires the /adfs/services/trust/13/windowstransport endpoint to be enabled. A vast community of Microsoft Office365 users that are working together to support the product and others. Since Microsoft recently demanded OAuth2 authentication, I've been trying everything I found website here and at Microsoft, but every 'help' webpage to setup Hotmail and Thunderbird seem badly outdated. We recommend using Outlook on the web to check your email or consider configuring a supported email client. If the error you are encountering is not listed, please create a ticket on our Email and Calendar Help page for assistanc


If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work. If it does not work, then unfortunately, you will be unable to recover any additional information. If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file. If you can't start the Inbox Repair tool automatically or manually, you may try to repair your Office applicatio


The other solution to fix Outlook sync issues is recreating Microsoft Outlook profile. Sometimes an error appears in the Mail and Calendar apps when the apps try to sync new email or calendar events. Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors. Outlook sync issues can be because of corrupted Outlook OST or PST files. Therefore, now we will know the steps to repair the Outlook data file. Open Outlook again and reconnect the shared mailbox following the process listed for step number 1 (How to add an additional shared mailbox on Outlook


Please see the ALTERNATIVE WORKAROUND section below. Your antivirus software can also cause issues with Outlook connectivity. Some antivirus software may block Outlook from connecting to the internet. Check your antivirus software’s settings and ensuring Outlook is listed as a trusted application. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of min


Once configured, the shared mailbox will be automatically available in the left folder pane in Outlook. Type the email address or name of the shared mailbox, then click OK. I regret that you are experiencing issues with your Microsoft Outlook slow synchronizing inbox message, and need help speeding up. In the sections that follow, we’ll walk you through a clear, step-by-step guide to identify the root cause of the sync error and apply practical solutions to get Outlook working normally again. Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or no


In certain AD FS configurations, the administrator may not have forms-based authentication enabled on the AD FS server. This prevents Windows clients that are running website Office from logging in as required by the authentication process. But primarily I am guessing you are changing the server name. This does not enable any oauth list entry that may be available for that serve


If you cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information that is not website in the Lost and Found folder. Follow these steps to repair your Outlook personal folder file (.pst) by using Inbox Repair tool. FixTechGuide’s free email diagnostic tools automate error detection by scanning your configuration files, registry entries, and mail protocol


Here, we will discuss website the five manual methods to fix sync issues in Outlook or OWA. Before finding solutions, we suggest that users check their internet connection. Sometimes, Outlook sync issues can arise because of poor internet connection. If you are still facing this issue, kindly follow the solutions below to fix the sync issues in Outloo


This can allow arbitrary code website execution to occur. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Window