Another method is to use the archive function of Outlook to export all the data or a date range from the OST file. To convert an OST to PST you can create a new PST in Outlook and move the items into the newly created PST file.

Firstly you would need to convert the OST to PST.

To import OST files directly to Office 365 you would need to split the operation into two phases. Another thing is that the OST file is bound to the mailbox so you cannot just copy all the OST files in a location and import them as the files are not portable. One way to move to Office 365 is to import your OST file to your Office 365 tenant, but the only problem with OST file is that you would need to make it in stages. So if the server is unavailable or your database is corrupt you would need to rely only on your cached mailboxes on the clients using their OST files. OST files are a great way to see your emails while you are offline or if your Exchange Server is down for maintenance or something went wrong on the server. Cloud is great when it comes to having your data always with you and basically to replicate what you would have in Office 365 on your premises would be too expensive to support without mentioning the recurring upgrades and hardware costs. The application also sets the impersonation rights automatically on the target account thus saving valuable migration time.There are many reasons why one would migrate to Office 365 but mostly for reliability and having the problems of maintenance, resilience and availability shifted to someone else. In addition, OST to Office 365 migration allows you to migrate OST files to Primary mailbox, Public Folders, Shared mailbox and Archive Mailboxes. EdbMails automatically allows you to create mailboxes on your target server. Incremental ensures that there are no duplicate items on your target server upon consecutive migrations and single hop migration ensures a direct migration from the source to the target. OST to Office 365 migration is granular and incremental with a single migration hop. A switch to Office 365 is a good time to eliminate storage issues, support, compliances and eDiscovery migration issues which many enterprise users encounter with OST files.ĮdbMails is an automated solution to seamlessly migrate OST files to Office 365 accounts.

Access your email easily on multiple devices using Office 365 Outlook and mobile applications.

Data vulnerability issues due hardware and software corruption and unauthorized accesses in an on-premise Exchange environment.

Microsoft inbuilt migration tool for Office 365 migrations is complex, consumes time involving a lot of research and scripting.

No server maintenance, security issues and manual system updates with Office 365.

It is advisable to upgrade your mailbox to Office 365.

No support or technical assistance for legacy Exchange servers and Windows servers.

Import ost into outlook 365