Import OST to Office 365

  • Our software will help to import from OST to Exchange Online Mailbox within a few clicks.
  • Export multiple OSTs in o365 Primary or Archive Mailbox.
  • Provide 100% safe and secure environment for the Migration.
  • Directly convert OST file data including emails, contacts, calendars, and attachments into Office 365 Cloud Platform.
  • Support all Outlook versions and their OST files
  • migration ost to office 365

Advance Features Of OST to O365 Migration Tool


Search, Add & Scan OST file

Add the OST file that you want to upload into Office 365. If you do not know the OST path, you can also search the OST file by clicking on the search icon.

Maintains the Mail Property

The application retain full email properties like CC, BCC, and Subject etc.The software also maintains the read / unread status of the email.

Import OST to Office 365

Tool provides a simple & quick solution to store or transfer data from local OST file to Exchange Online environment. Download free tools to migrate.

Maintains Folder Hierarchy

The tool moves OST file into Office 365 platform and maintains original folder hierarchy. The device uploads OST as it is on O365 platform.

Migrate selected items to Office 365

Select the item to import the OST file into Office 365. Just check the emails you want to migrate OST to cloud mailbox and click the Export button.

Previews OST file with Attachment

Office 365 migration tool previews the entire content of OST file with OST attachment. Click on the special email to read your data.

Support Corrupted or Offline OST Files

The OST to Exchange Online Converter is capable of importing Offline or Corrupted Exchange OST file to Office 365 cloud platform.

No Outlook or Exchange Server Required

The OST to O365 converter is an independent tool and does not require setup of Exchange Server or Outlook to transfer OST file into O365 cloud platform.

How to Import OST file to O365 Exchange Online

  • Download and install the software on your PC.
  • Now Lunch the tool.
  • Click Add button to upload OST file.
  • Once the OST file upload the software will preview all data.
  • You can select the items.
  • Click the Export button.
  • Enter Office 365 login credentials.
  • Click on Sign In button.
  • All the OST file will migrate into Office automatically.

Frequently Asked Questions

Do I need to install Exchange Server or Outlook to migrate?

In the OST to Exchange Online Migration Tool. You do not have to install Exchange Server or Outlook to import OST on Office 365

Can I migrate the OST file of Outlook 2010 into Office 365?

Yes, you can migrate Outlook 2010's OST file into Office 365. Because the tool supports OST file of Outlook 2016, 2013, 2010, 2007 and all earlier versions.

I have corrupted OST file, Can I migrate the infected OST file from this tool?

Yes, you can easily import damage or offline OST file.

Do I need to migrate the OST file to PST before using this tool?

No, you do not have to migrate your OST file to PST. This OST to Office 365 Migration Tool will directly import all your OST files like email, contacts, calendar etc. into Office 365.

Do I need to purchase a license key to migrate the OST file to Office 365?

Yes, you have to buy a license key for migration. Because in the demo version you can migrate only the first 20 items from each of the folders.

Is there a size limit for migrating OST files to Office 365?

No, there is no size limit for migration. You can migrate the OST file of any size to the Office 365 mailbox.

More questions?

Get in touch

Purchase Full Version OST to O365 converter at Affordable Price

Personal License


  • For Personal Use (2 Machines)
  • Standard support.
  • Get Free Software Updates (1 year).
  • 30 days money back gurantee.
Order Now

Business License


  • For Small Business Use (50 Machines).
  • Priority support.
  • Get Free Software Updates (2 years).
  • 30 days money back gurantee.
Order Now
Most Preferred

Enterprise License


  • For Large Business/Enterprise Use.
  • Priority support
  • Get Free Software Updates (Lifetime).
  • 30 days money back gurantee
Order Now

What do people think about OST to Office 365 Migration Tool?

OST to O365 Converter I love this Application. It's very useful to import my OST file into Office 365.

Christine Heal Bristol, UK

This is the best software for migration. It also import my corrupted OST file to Office 365.

Alger Brigantine / USA

The OST to Exchange Online Migration Tool work like a magic. It upload my multiple OST files to Office 365 within few clicks.

Joseph L. Warrensville HT / USA

A single app with so many features is really like a dream. With this tool I transferred my OST file to Office 365 mailbox in just a few clicks.In addition, the device has no OST file size limit.So, I liked the OST Office 365 Migration Tool.

Annie Lee Berlin, Germany

I was looking for a solution to upload OST file to Office 365 cloud. But the problem is that I do not have much technical skills. I used this tool and I was surprised because I have migrated my data without any interruption.

Jack Richard United Kingdom

Recently I purchased OST to Office 365 migration tool to import the offline OST file into Office 365. It provided 100% accurate results to me. I am fully satisfied with this outstanding solution.

Toms Herry New York, United State

Contact US