OST to Office 365 Migration ToolImport every single and multiple items from OST files to Office 365 mailboxes quickly.

User Ratings :
(Average Rating 4.9 Based on 457 Reviews)

OST to Office 365 Migration Tool is the best tool for home and enterprise users to import OST files into Outlook 365 with 100% precision and data accuracy. The software is efficient enough to import all the data from the OST file to Office 365 like emails, attachments, contacts, calendars, etc.

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Benefits of OST to Office 365 Migration Software

  • It ensures and manages Office 365 mailbox emails continuity.
  • Import large OST files into Office 365 accounts with the original hierarchy.
  • Exclude Duplicate Emails, Mail Filters & Remove Attachments to ensure fast migration of OST into Office 365.
  • Bulk migration of multiple OST files to Office 365 accounts without any hassle.
  • It imports all OST file items like Emails, Contacts, Calendars, Tasks, Attachments, etc.
  • It offers selective migration of OST items into Outlook 365 accounts based on a Date range.
  • Facility to exclude the attachments files from the browsed OST files.
  • Support large-sized OST file migration to Office 365 account.
  • Displays the OST mailbox items to preview before OST to Office 365 migration.
  • Ideal for all Outlook OST files, including 2019, 2016, 2013, 2010, etc.
  • Supports MS Exchange Server - 2019/2016/ 2013/2010/2007/2003/ 2000/5.5 and 5.0.
  • Ideal with all Outlook OST files, including 2019, 2016, 2013, 2010, etc.
  • Import OST Files to other email clients like Outlook.com, Live Exchange, Gmail, Yahoo Mail, etc.
  • The software runs on all the versions of Windows, including 11.

System Requirements:

    Version Supports:

      System Requirements:

      • - Mac Computer with Intel Processor
      • - Mac Computer with Apple Silicon (Apple M1)
      • - 4 GB of RAM (4 GB is recommended).
      • - 50 MB for Software installation
      • - 100 GB of free hard disk space required.

      Version Supports:

      • - Support Mac OS: 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, and 10.8 Mountain Lion

      Remarkable Features of Import OST to Office 365 Tool

      Complete OST to Office 365 Migration

      Complete OST to Office 365 Migration

      OST to Office 365 Converter Tool is the best utility that allows users to import the entire mailbox data of your OST file to Office 365 accounts. It enables you to import complete OST mailbox data like email data, including Inbox, Sent Items, Deleted Items, and more.

      Import Large OST Files to Microsoft 365

      Import Large OST Files to Microsoft 365

      Suppose you are struggling with your large-size OST file and can't import them into Office 365 mailbox. Thus, use the Best OST to Office 365 Migration Tool and perform the migration of OST files into Office 365 accounts, even if the OST file is large or oversized.

      Bulk Import of OST Files to Office 365

      Bulk Import of OST Files to Office 365

      Using this Import OST File to Office 365 Software, you can import a single or multiple Outlook Offline Data File(.ost) into Office 365. It offers two advanced features named Single File or Multiple Files/Folder; these features allow you to add multiple OST files into Office 365 accounts to perform the smooth migration.

      Selective Migration of OST files

      Selective Migration of OST files

      This advanced Import OST File into Outlook 365 Tool allows users to import selected data from the OST files to Office 365. You just need to choose the folders in the preview panel that you want to import and click the Next button. Further, you can preview the selected folder details like content, attachments, etc.

      Migrate OST to Office 365 Simply

      Migrate OST to Office 365 Simply

      Upload OST to Office 365 Tool has a simple user interface that allows users to import OST files into Outlook 365 in five simple steps:- Browse the OST file, Preview the added One, Choose the folders, Add Office 365 account credentials, and import OST files. The migration is easy as the software supports two authentications via password or third-party app password.

      Exclude Duplicate Items

      Exclude Duplicate Items

      If you have large OST files containing duplicate items, now you can easily remove them with the help of this OST to Office 365 Migration Tool. This reliable software allows you to eliminate duplicate emails based on To, From, Bcc, Subject, Body. Here, you can also exclude the attachments files of the OST file emails.

      Preview of OST Items With Ease

      Preview of OST Items With Ease

      With the enhanced Preview feature of the software, you can check out the integrity, hierarchy, and completeness of OST file data before importing it to your Office 365 account. You can preview the email content, attachments, total message count, From, Subject, Date, and other properties. This feature helps users to perform selective migration too.

      Advanced Filtering Options

      Advanced Filtering Options

      Import OST to Office 365 Migration Tool is built-in with advanced filtering options that allow you to exclude the attachments files from the selected OST folders. You can also make the source and destination folder the same for the resultant folder in which all the migrated emails will store.

      Save the Log Report After Migration

      Save the Log Report After Migration

      After the OST import into Office 365 account, you can save the report in CSV format to analyze the whole migration process. The only requirement is to click on the Download Report button, and it will specify the number of folders migrated successfully, From, To, Status, Duration, and Message Count.

      Support all Outlook Versions

      Support all Outlook Versions

      There is no matter whether the OST file is created by Outlook 2019, 2016, 2013, or MS Exchange Server 2019/2016/ 2013/2010/2007/2003/ 2000/5.5 and 5.0, the OST to Office 365 Migration Tool allows users to convert the OST to Office 365 account without any interruption.

      Comparison of OST to Office 365 Migration Free & Full Version

      Software Features Trial Version Full Version
      Import OST File to Office 365 Account 50 items per folder All
      Import single and multiple OST files
      Live Preview of OST data
      Remove Duplicate Mail
      Save In Same Folder(Source and Destination Folder are same)
      Migrate or Backup Emails Without Attachments Files
      Mail & Task Filter
      Custom Folder Name
      24*7 Technical Support and 100% Secure

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      Frequently Asked Questions of OLM Converter

      A.Steps to import OST to Office 365

      • Start the OST to Office 365 Migration Tool as administrator.
      • Click on the Browse button to add the OST files.
      • Choose the folders in the preview pane and click Next.
      • Select Office 365 from the drop-down list.
      • Sign In with required Office 365 credentials.
      • Now, choose the features and click Convert.
      • Finally, all your OST files get imported into your O365 account.

      A. Yes, you can easily import single and multiple OST files into Office 365 account; the only need is to select the option: Single File or Multiple Files/Folder before conversion.

      A. The Import OST to Office 365 tool is compatible with all other versions of Windows like 11, 10, 8.1, 8, 7, etc.

      Yes, you can easily import added OST files specific folders, just selecting the same in the preview pane. Moreover, you can also preview the mail and their attachments files.

      A. No, You can import OST files of any size to Office 365 account with ease.