How to Transfer/Import Outlook OST to Office 365 Directly?

At the present time, users prefer cloud-based or web-based applications to perform their general tasks. The reason is cloud services are more reliable and convenient than desktop software. With the help of cloud application, a user can easily do their different type of work from any location and from any devices. This and various other features of the cloud platform have made it a more preferred service by users.

Microsoft Outlook is one of the desktop-based email clients that both individuals and businesses use for email sending & receiving. After the success of Outlook & Office suite applications, Microsoft has also launched its own cloud service known as Office 365.

Many users are now switching from desktop-based Outlook applications to Office 365 cloud. While migration users also require to transfer their important data, and for this users need to Import OST to Office 365. But while doing this users face different kinds of problems because they don’t have complete knowledge. So.. let’s see the solution to this problem.

Also Read:- How to Import OST file into Outlook 365?

Why Users Need to Migrate from Outlook to Office 365 Cloud?

MS Outlook Desktop application provides the facility to save user’s mailboxes locally. For saving important emails, calendars, contacts, Outlook automatically creates Data files like- PST or OST files. Outlook made OST file when a user configures a profile with Exchange settings. This process of saving can help users in different cases but while locally saving data file in OST users faces size issue problem in their drive. Users need to transfer/Import OST to Office 365 for getting similar functions of Outlook but on the Web. Also, with the process of importing OST to Office 365 users can save some extra space to their drive.

What is the Method to Import Outlook OST to Office 365 Directly?

The data file OST of Outlook saves the user’s mailbox information on the computer’s drive. When the user switches to Office 365 they get the power to access their email profile as well as all mailbox items on cloud server. For this users want to Export their data from OST files to Office 365. But Office doesn’t offer any inbuilt function to Import OST files. To resolve this problem of users here is the best utility eSoftTools OST to Office 365 Converter Software. Also, users can directly import multiple OST files to Office 365 in a single process with this smart tool. This amazing program can simply allow users to perform Outlook to Office 365 migration in simple steps.


How to Transfer/Import Outlook OST to Office 365? Step By Step

  • Download and install eSoftTools OST to Office 365 Converter Software.
ost to pst
  • Launchthe tool and from the first screen hit of Select OST button for file selection.
  • Choose Single File Selection or Bulk File Selection option and hit on Next.
  • Select OST file from its location and hit on Start scanning button.
ost file to pst
  • Start the scanning process to load all OST mailbox folder & items in the software panel.
ost file to pst
  • Choose the required folders and hit the Import to Cloud button from top menu.
ost converter tool
  • Now select the Import OST to Office 365 option and a new window will open by the software.
import ost to office365
  • Enter your Office 365 account details apply mail filter and press the Convert button.
convert ost to office365

By following these steps users can easilly transfer all data of outlook PST directly to Office 365 account.


In this blog, we have discussed the answer to the user’s query How to Import Outlook OST to Office 365? Your answer is here. The direct migration of Outlook to Office 365 is possible with automated eSoftTools OST to Office 365 Converter software. It will transfers all data information including- emails, contacts, calendars, and other items of OST to Office 365 with an instant process. To check the functioning of the software utilize its demo edition.


Post a comment