We all are aware that Offline OST file enables users to work in offline mode and also synced with Exchange Server when you get internet connectivity. When Exchange connectivity is disabled, users face issue like 'OST file is not accessible.'
Undoubtedly, MS Exchange and Outlook works together to provide effective email communication. However, for every single user, a unique profile is created that is accessible in Outlook profile. Also, for each IMAP profile, an OST file is automatically created which you will find in user's local system that is exact the copy of user's mailbox data on IMAP/Exchange Server.
Often times, users encounter this error message 'IMAP OST file is not accessible in Outlook'. There could be many reasons for this. In order to resolve unable to access IMAP OST file, one first has to understand its cause which made OST file inaccessible and then look for the actions to access OST file back.
Do these manual ways help you in resolving unable to access IMAP OST file issue? If not, then no need to worry! Go ahead in this blog and get an easiest solution to overcome OST file inaccessibility issue.
After going for manual methods, if the above-mentioned ways are unable to satisfy your needs. Then, not to worry at all, use third-party solutions to open OST file in Outlook by converting into PST file. By using automated tool, one can transform IMAP OST to PST format and can easily access OST mailbox data in MS Outlook.
Once you follow the aforesaid solution, you will get PST file as output. And, this PST file will accessible in Outlook 2019, 2016, 2013, 2010, etc.
This one program will help you to change inaccessible OST file to multiple known formats like PST, EML, MSG, EMLX, MBOX, Office 365 and other email servers. You will always get accurate results using this program. In a hassle-free manner, your OST file is transformed into healthy PST format & ready to open in MS Outlook.
I hope the mentioned solutions in this post will help you to make IMAP OST file accessible in Outlook. You can go with discussed manual solutions and if you don't find them suitable then try out automated program which turns inaccessible OST file into PST format to open easily with Microsoft Outlook. You can properly evaluate this software with free trial version.