OST to Office 365 Converter





SysTools OST to Office 365 Migration Tool

Verified Tool to Convert OST File to Office 365 Mailbox Without Any Limitation

(Average Rating 4.2 Based on 257 Reviews)
  • Allows to Migrate Hosted Exchange OST Files to Office 365 Account
  • Migrate OST Mailbox Items: Emails, Contacts, Calendars, Tasks, etc.
  • Effortlessly Upload OST File to Office 365 User or Admin Account
  • Migrate Only Required Set of OST Data Using “Date Filter” Option
  • Provides Option to “Maintain Folder Hierarchy” within The Interface
  • Maintain Metadata Properties: From, To, Cc, Bcc, etc. in Office 365
  • Convert IMAP, Exchange, Hotmail OST Files to Office 365 OWA account
  • Migrate Corrupt & Password Protected OST File to Office 365 Mailbox

Free Live Demo: – SysTools OST to Office 365 Migration Wizard Fully Secured Download Version

OST to Office 365 Converter – Reviews

100% Genuine & Most Popular Tool to Migrate OST Files to Office 365

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OST to Office 365 Migration Wizard - Features

Download the Software and Migrate complete Data from OST to Office 365

change ost in Office365

Effortlessly Convert OST to Office 365

SysTools offline OST file to Office 365 converter software is developed by experts having vast knowledge in technology. Which is why this trustworthy software offers a wide range of advanced options that allow users to easily convert orphaned OST file to the desired Office 365 account.

Dual Export Options: This OST to O365 migrator renders two-mode export options to convert the offline OST files to Office 365 account.

While migrating data using Admin Account software will not ask you to provide the password, but in case if you are migrating users account data then software will ask you to provide the password for every user.

  1. Enter Destination Mailbox: Once the required OST folders are selected, click Next and specify the O365 user account name and password followed by validating the same.
  2. Provide Destination O365 Account from CSV: In this, one needs to provide a CSV file with credentials of the destination O365 mailbox account to migrate the converted OST data to it.

ost to office 365 utility

Migrate OST to Office 365 With Advanced Options

  • Maintain Folder Hierarchy: This option will preserve the folder structure and folder names as per source OST format in the resultant Office 365 profile.
  • Don’t Export Empty Folders: With this option, it will ensure that empty folders will be discarded getting converted in the Office 365 account.
  • Ignore System Folders: By availing this option, the system folders will not be converted to the destined O365 mailbox.
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  • Convert OST to O365 Admin Account: Under Advance Settings option, all you need to provide is the credentials of the Office 365 admin account. Moreover, it needs to be impersonated.
  • Date Filter Option: This option lets users to convert selective or only the required set of data from the OST file. Simply mention the date ranges under “To” and “From” fields.
  • Select Categories: Users can convert OST data items selectively with this feature. One must select the checkbox corresponding to each mailbox items such as emails, contacts, calendars, tasks, etc.

OST to Office 365 Migration Tool - Features

Remarkable Features of The Tool to Upload OST File to Office 365 Account

convert multiple ost to office 365

Bulk Convert OST files to Office 365

Offline OST to Office 365 converter is programmed with an advanced algorithm which allows to convert multiple OST files from Exchange server, IMAP, Hotmail to the resultant O365 mailbox account. To add bulk OST files, one needs to select Search File followed by Search All Drive option from the software panel.

convert corrupted ost to 0365

Convert Corrupt & Encrypted OST file

OST file to Office 365 migration wizard is capable enough to convert damaged and password-protected OST besides converting healthy OST files. This functionality is undoubtedly a great relief for users who wants to convert offline OST files to the destination user or admin O365 account.

convert desired mailbox data

Convert Desired OST Mailbox Item

Another highlighted option is the “Select Categories” feature which enables to convert specific set of OST data items. Users can avail this functionality under Advance settings >> General settings>>Categories option. One needs to simply choose the checkbox with respect to each OST data items. It will help you to import OST file in Office 365 account directly.

date based filter option

Date Filter for Selective Conversion

Apart from innumerable features rendered by the tool, the OST to Office 365 converter software provides “Date filter” option. With this, it permits users to convert selective data from the orphaned OST file. Simply set the date ranges in the given fields and get your desired OST data converted to Office 365 account in a hassle-free way.

migrate ost to admin account

Convert OST to O365 Admin Account

Besides converting the OST file to Office 365 user account. This impeccable OST to Office 365 migrator provides the functionality to transfer it to the O365 admin account. This option can be availed from Office 365 settings. Moreover, one needs to make sure that the admin account of O365 must be impersonated.

migrate selected ost data

Migrate Selective Folders to O365

With the help of this offline OST to Office 365 wizard, users can seamlessly convert required OST folders. Once the OST data is loaded in the software panel, click Export. After which all the folders will be loaded in a tree-based structure wherein users need to choose the desired folders to transfer it into O365 account.

preserve folder stucture

Option to Preserve Folder Structure

This powerful OST to Office 365 conversion tool provides an option to maintain folder hierarchy within the software panel. Availing this option will ensure that the resultant OST data exported to Office 365 will be well-maintained. Besides this, all the metadata properties are preserved exactly as per source OST file without disturbing the formatting.

provide credentials throgh csv

Provide O365 Account Credentials through CSV

Besides various other futuristic features, this amazing software provides another advanced feature. This is nothing but, option to provide bulk Office 365 account credentials via CSV file. Users simply need to enlist the details in the CSV file and upload it using the Browse button into the interface.

OST to Office 365 Migration Tool – Specifications

Use The Free Trial Version to Know How to Migrate OST Files to Office 365

Software Download

Size : 37.6 MB

Version : 8.2

MD5 : cf4f401e9ba88b099561e95e17eb92e1

Trial Limitations

Free Demo version OST to Office 365 migration software will generate Preview of OST mailbox data & Support to migrate only 25 Items per folder from OST files to Office 365 mailbox easily.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

500 MB of RAM (1 GB is recommended)

1GHz processor (2.4 GHz is recommended)




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OST to Office 365 Tool - Feature Comparision

Get an Overview of Wizard Features – DEMO and Licensed Version

Features Free Version Full Version
Add Single or Batch OST File
Two Scanning Mode (Quick & Advanced) for OST
Preview OST Emails with Attachment
Remove S/MIME & OpenPGP Encryption from OST File
Support Windows 11, 10, 8, 7 and below versions
Migrate OST to Office 365 Mailbox 25 Items/Folder All Items
Cost FREE $49
Common Questions Asked by User

Try OST to Office 365 Migration Tool For 100% Succcessful Migration

How to convert OST to Office 365 using this tool?

ost to office 365 wizard

5 Steps to Migrate OST to Office 365 Acoount

  • Step-1 –: Install and run OST to Office 365 Migration Tool.
  • Step-2 –: Add single or bulk OST files via “Add File” option
  • Step-3 –: Click “Export” & select “Office 365” radio button
  • Step-4 –: Click “Export” to begin importing OST files to Office 365.

"There are couple of OST files which I need to migrate to my O365 account. However, as they are corrupted OST files, I am pretty confused is there any solution to convert corrupt OST to O365 account?"

Yes. using SysTools OST to Office 365 conversion tool, one can easily convert OST files which are corrupted or damaged to the destined O365 mailbox.

"Due to some urgent requirement, I need to access all of my OST files in the Office 365 account. Is there any suitable solution to convert bulk OST files to Office 365? Please suggest, if any!"

Users need to avail trustworthy and result-oriented OST to Office 365 migrataor by SysTools. The software is induced with remarkable features wherein it allows bulk conversion of OST files to O365 in an effortless way.
With this offline OST to O365 migration tool, the software offers functionality to convert selective OST data items. Under “Categories” feature, choose the desired mailbox items.
This amazing software is designed in such a manner in which it allows to convert OST files efficiently, no matter whether it is encrypted or password protected.

"I have come across using various OST to O365 converter tools. Upon checking the resultant OST data in O365, there exists some discrepancy in the formatting. Before buying this tool, please confirm whether it maintains the file structure in the destination Office 365 account?"

Yes, The software OST file to Office 365 migration tool provides an option to maintain folder structure. For that, users need to simply mark the checkbox corresponding to the option “Maintain Folder Hierarchy”.
What Customers Are Saying

SysTools OST to Office 365 Migration Tool Verified Purchase Reviews

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