MS Outlook application is commonly used by everyone to send / receive emails and when you make use of Outlook tool, the mails, calendar, task and many Outlook items gets saved on Outlook Exchange server and on your system. The Outlook files which are saved on your system are kept in Outlook data files.
Outlook data files consist of two types OST file and PST file, these two data files are used by the MS Outlook.
OST file: OST (Offline Storage Tables) is the offline folder created by the MS Outlook application and MS Exchange to keep the offline copy of the content present in MS Exchange server. Whatever the changes you like to perform can be done in Offline folder later when the Outlook gets connected internet then changes get upgraded to MS Exchange server. In Some situation we cannot able to access the content present in OST file because of some unknowing reasons like corruption, damage or virus attract on your OST file, but by converting the OST file to PST you can easily access to the content of OST file on your pc. Now, how to change my Outlook OST file to PST? before discussing that let me explain you the reason for OST file corruption.
What is the main reason for OST file damage / corrupt?
MS Outlook application should get upgraded frequently, if refuses to upgrade the Outlook application then the OST file which was created by the Outlook might get damaged and OST file cannot be access by the user.
When you are performing some operation on OST file, if your MS Outlook tool gets terminated suddenly without any notification then your OST file gets corrupted and becomes inaccessible on your system.
If your system Operating System gets infected by harmful virus or malware then it infects all the saved files and application available on your system such as MS Outlook OST file also gets damage due to virus issue then your cannot able to access the content of OST file on your system.
If your OST file become inaccessible on your system then user search for alternative method to access the files of OST file, the best solution to access the corrupted / damaged OST file is by converting those OST file to PST file by using some third party repair tool like Remo convert OST to PST software on your system.
PST file: Personal Folder File (PST) file is another Outlook data files which saves the messages and other items of Outlook on your computer. PST file items can be moved or archive to another Outlook PST file, because each PST file has some size limit, when your PST file size limit gets exceed then you can move the files to other newly created PST file on your system.