How Do I Import an OST File into Office 365?

In this blog post, we will talk about how do I import an OST file into Office 365 cloud database. I have explained two methods to convert OST mailbox to Office 365(Exchange Online). If you are thinking to change data from OST to Office 365 then this blow will assuredly help you.

There are no direct solutions available to export OST file in Outlook Web App. But if you still want to know the process of how do I import an OST file into Office 365, then you want to convert OST to PST format after that you can manually import PST data file in Office 365 cloud account using MS network upload method. And you can also use a professional tool for migrating OST files to Office 365 directly. There are a number of third parties solution, CubexSoft OST Converter is one of them. It will support you to migrate OST file to Microsoft Office 365 including all types of data like emails, contacts, calendars, tasks, notes, and so on.

Here I am going to explain two different solutions of importing OST to PST in Office 365. So, read out both the solutions and choose a suitable one for your migration from OST files to Office 365 cloud account.

Step 1. Import OST File into PST File

• Run your MS Outlook account >> File >> Import and Export
• Select Export to a file and click on Next
• Then go to Personal Folder File (.pst) >> Next
• Select the destination path where you need to save the file and check " Replace duplicate with items imported " and hit on Next
• Provide the password (if you wish, otherwise skip it) and tap the Ok button.

Important Note: If the MS Exchange Server is offline or you are not connected to the server on this time provided solution will not work the easily user the OST to PST Software for accurately migrating OST file into PST file format.

Step 2. Transfer PST File to O365 Webmail with Network Upload Method

• Now, in this steps, admin needs to install Azure AzCopy app that will migrate PST file into Office 365 account and copy the SAS URL that is a network combination URL for the Azure storage destination in Exchange online and SAS (Shared Access Signature) key. Due to SAS key admin get the access to move PST file into the Azure storage path.
• Then, admin can easily import the PST files in Azure storage path in the cloud. AzCopy.exe app will move PST file to Office 365 webmail account.
• Now, admin can view the complete of the loaded PST files that are converted in Office 365 webmail by configuring the Azure Storage Explorer.
• After that, the admin make a CSV file that will define the mailboxes for which is the PST files are converted in O365.
• Finally, the admin will make an import job in Office 365 that use information from CSV file to move PST files to the user mailbox.

As we can see that the manual methods is very difficult and lengthy process. So, if you are not aware of Azure Copy application, then I will advised you to go with professional OST to Office 365 Migration Tool. It offers very simple user-friendly interface, both technical and non-technical user can easily handle and works with this software without having technical knowledge. The best part about the software is it provides preview option to view the all selected OST files in a software preview pane. By using this OST to Office 365 Converter Tool, you can migrate your data from OST folder including emails, contacts, calendars, tasks, notes, and etc. into Office 365.

Final Words

In this article, I have explained two different methods to view, and read OST files in Office 365 account. The first method is manual method, it is lengthy, complicated, and time-consuming process. And second method is an automated solution to directly import OST files to Office 365 account without wasting time. So, you can opt to desired solution as per your requirements. If you have any doubt on the second method, then you can try OST to Office 365 free demo version that help to learn how do I import an OST file into Office 365 webmail account with migrating first 25 items from OST to Exchange Online.