How to Import OST File into Office 365 (Exchange Online)

Ashwani Tiwari | Modified: September 16th, 2020 | Office 365

Summary – Storing of Exchange Mailbox data on the Cloud platform like Office 365 (Exchange Online) has many benefits. So here are the complete steps to resolve how to import OST file in Office 365 account. Read this article to perform the import process in a quick and secure way.

ost to exchange online

We know that Exchange Server is the most renowned mail server developed by Microsoft. It helps to save the Microsoft Outlook data in OST file format. While working in the Offline mode the Microsoft Outlook email application allows the user to create an exact copy of the replica of your exchange mailbox in the OST (offline storage table) file format.

The OST files are the exact copy of your mailbox stored on the Exchange server. It allows the user to access the data in the offline mode and synchronize it with the exchange server when it connected.

But now these days due to the latest technology of Office 365 people want to transfer OST files to Office 365 cloud. We can understand with the help of users’ problems while moving the OST file to O365.

Import OST to Office 365 – User’s Query

“Hello to all! I have multiple OST file mailbox and I want to migrate OST mailbox items to a cloud-based Office 365 account without losing any metadata of the OST mailbox. Please suggest me with a quick and reliable solution for how to import OST file into Office 365 account. I would like to say thank you! In advance”

Are you Office 365 account user? And you also want to export your OST file mailboxes in Office 365 account? If yes, then this article is for you. Having your Exchange mailbox data on the cloud-based platform has many benefits. Emails present in the Office 365 account can be easily accessible. It facilitates the user to move the data to a cloud-based platform like Microsoft Exchange Online.

In this article, we are going to discuss the manual and the automated solution to know how to import OST file into Office 365. The manual process to perform this process is not much easy as we think about it. So to perform this process easily the user can opt for automated solutions by using an automated solution.

Steps to Import OST file into Office 365 Account

In order to perform this task manual the user has to follow the two steps which are:

Step 1: – First, the user has to Convert the OST file.
Step 2: – The user has to import the step 1 resultant file to Office 365 account.

Step 1: Export OST file Into Outlook PST File Format

It can be done by the manual method or by using the automatic software. Select one which best suits you:

Manual Method

  1. Launch the Microsoft Outlook application then go to the Export option from the File tab
  2. Choose Export to a file option then and click Next
  3. Choose the option (PST) and then the user has to click Next
  4. Select the folders that the user wants to export (also the user can check the box to include sub-folders)
  5. Now Give the location to save the exported file
  6. At last, just click the finish button to complete the process

Note: The user has to note down that this method only works when the user account is connected to the Microsoft Exchange server.

Automatic Solution

For quick and simple solutions Download the Professional OST to PST Converter utility. It will easily complete conversion in a few clicks. It also ensures no data loss and maintains the folder structure in the resultant file. Use this utility instead of using the hectic manual method.

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Step 2: Now Import the Step 1 Resultant File in Office 365 account.

It can be done by manual method or by using automatic solutions. Both are listed below:

Manual Method: –

  1. Network Upload Method
  2. Drive Shipping Method

Limitations of Manual Approach to Import OST into Office 365 Account

Here the shortcomings of this process. The user must to all the limitations before adopting this manual method. The above described manual method is very lengthy and time-consuming.

The user must require strong technical skills to perform this process. There are chances of Outlook data file corruption or deletion. So it is better to opt for a safe and reliable way to solve the issue of how to import OST to Office 365 account.

Automatic Solution

To perform this process the user can opt for a safe and reliable solution by using commercial software. It allows the user to import the PST file to Microsoft Office 365 account along with entire Outlook data items.

It allows the user to move emails, calendars, tasks, to Office 365 account easily. Moreover, this tool gives simple and easy to use interface so that everyone can easily use this software with ease.

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Windows OS
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Time To Conclude

To transfer the OST file data to the O365 account is a challenging task. So to overcome the challenges faced by the user we have explained the procedure how to import OST file into Office 365 account by giving both the manual as well as the automated solution.

The manual process to import OST file to Office 365 account is difficult and sometimes the user has to face data loss situations. So it better to opt for the automated solution to resolve the issue.