Home / you must connect to microsoft exchange You must connect to microsoft exchange 05/04/2021 You Must Connect to Microsoft Exchange through the Current Profile before You deserve to Synchronize your Folders through your Outlook Documents File (.ost)If you have ever tried to connect Outlook via Exchange Server, Cannot open up default email folder error is just one of the many emerging error confronted by Outlook user. And the worst thing is that we cannot open Outlook but good thing is that stiil we can access inbox using OWA account. If Outlook reported “cannot open default email folders. You must connect to Microsoft Exreadjust through the current profile prior to you have the right to synchronize your folder with your Outlook data file(ost)” error, then worries relates through MS Outlook settings. This error reflects that your existing Outlook profile is not a member in Exchange Server Active Directory. Here, I am trying to resolve this concern just by changing MAPI establishing in regulate panel. Step 1: Go through Start -> Control Panel -> Mail Tip 2:Choose the "Show Profiles…" choice in Menu Setup window.You watching: You must connect to microsoft exchangeTip 3: Choose the shown MAPI profile and also hit the "Properties". Tip 4:Hit the “Email Accounts” Tip 5:After picking your Exchange account and click Change… under Email tab.See more: Database Imp 00009 Abnormal End Of Export File, Oracle Exp Dump File Import Issue Imp Tip 6: Make certain that "Use Cached Exreadjust Mode" is checked. Hit on More Setting and inspect the Exreadjust server name and User Name. Tip 7:"Almeans prompt for logon credentials" alternative should be selected Apply the settings and click OK. After making all compelled changes in profile settings, next time when you will open up Outlook with Exreadjust Server profile it will certainly ask credential from your side. After entering the required details, you will certainly open your Outlook profile.See more: How To Fix ‘ A Component Of The Operating System Has Expired Winload.Exe It has actually been seen that periodically OST file gets corrupted and also it’s an an additional major reason of you must affix to Microsoft exchange with the present profile prior to you have the right to synchronize" error. So if you have actually implemented above actions to set-up your profile however still the issue is not resolved; then there might issues in your OST file and also you must repair it utilizing OST Repair Software. Hence, these are some fixes that deserve to be offered to resolve "Cannot open up your default e-mail folders". You should connect to Microsoft Exchange via the present profile prior to you can synchronize your folder via your Outlook data file(ost)error. But before using the over suggestions, make certain that OST file is not corrupted.