The software maintains the folder structure and hierarchy while converting or exporting the file items to desired format or destination server. The OST to PST converter software also allows you to save the mail items in other common file formats, such as EML, MSG, PDF, RTF, and HTML.įurther, you can save the mail items directly to an existing Outlook profile on the system or export them to Office 365 and live Exchange Server with complete integrity. ( ) is the most popular and reliable OST to PST converter software to extract mail items from inaccessible, encrypted, or orphaned OST files and save them to Outlook importable PST format. You may also refer to this detailed OST to PST Converter software ( ) by industry experts on various aspects, such as conversion time, performance, data integrity, precision, etc., to choose the best OST converter software. Below we have listed the top 5 OST to PST converter software with their pros and cons to help you choose the best one based on your needs.

In such scenarios, an OST to PST converter software comes in handy and helps restore the mail items from inconsistent, inaccessible, and orphaned OST files. Since OST is encrypted by default with MAPIEntryID GUID key, an orphaned OST cannot be opened or accessed in the same or any other Outlook profile. OST file becomes orphaned when the email profile is deleted from the online mailbox server.

This can lead to inconsistencies in the OST file, resulting in Outlook performance issues and errors.įurther, events such as system crashes, abrupt shutdown, force close Outlook, virus or malware intrusion, faulty add-ins, etc., can also cause damage to the OST file. As you send or receive emails, the file may get large or exceeds the maximum recommended limit (~20-25 GB). Offline Storage Table (OST), also referred to as Offline Folder, is an Outlook data file that stores a synchronized copy of all your mail items from live Exchange Server, Office 365, IMAP, or on the local machine.

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