|convert ost file to pst freeware||1.07||1||2779||2|
An OST file can't be imported into Outlook 365 account as it is encrypted and binds to an Outlook MAPI profile. To import mailbox items from an OST file into Outlook 365, you must convert the OST file to PST format. This can be done via the Outlook Import Export wizard. However, the wizard works when Outlook profile and OST file is accessible.How to convert Ost to PST [manually]?
How to Convert OST File to PST Open your Outlook application, and click File. In the window that appears, select Open & Export, and then click Import/Export. From the Import and Export Wizard, select 'Export to a File' under Choose an action to perform section. See More....