Use Stellar Converter for OST to export Outlook data into PST file-format. You can also transfer OST file data to new computer by exporting it to PST format. Backup data in PST format enables you to access OST file data from different accounts if the same Outlook profile is not available. It is recommended that you backup your OST file into PST file format. ost file”įew experts don’t believe in backing up OST files as they have a preconceived notion that they can easily download these files again from Exchange Server, but as mentioned in the message stated above, it is important for data retention or when the files are deleted accidentally from Outlook.

“Careful, if you remove this account, its offline cached content will be deleted, learn how to make a backup of the offline. When you delete ost file, it shows following message: Read on to understand the process of deleting the OST file without deleting Email messages. Now the problem arises as to how to you access your Outlook when the OST file is deleted. Such OST files are prone to corruption leaving no other option for the user but to “delete OST file”. In fact, these enormous OST files can be counted as a database, due to their vast size. What is the outcome? OST files grow abnormally huge in size and their chances of corruption also get higher. Outlook users get so possessive about their emails that they do not want to part with the most unwanted emails and attachments even when they are aware that these mails hold no importance. Troubleshooting detected overloaded space issue and space overload factor is caused due to voluminous OST files. One fine day, a user reported a system-hang issue.

Outlook 365 delete emails at exit