ost to office 365 converter

Advik OST to Office 365 Converter

4.8 (597 Reviews) [ Rate It... ]

A simple and efficient solution to import OST file to Office 365 without data loss. Now convert/migrate or export OST to Outlook 365 using this little master.

  • Support OST file of Outlook 2019/2016/2013 and older versions
  • Batch Import OST to Office 365 without Data Loss
  • Also import OST to Gmail, Yahoo Mail, G Suite, Exchange, etc.
  • No MS Outlook Installation Required
  • Unlimited Outlook Data File Migration
  • Compatible with Windows 11/10

Prominent OST to Office 365 Migration Solution

A platform to move/copy email folders from one account to another effortlessly

import ost to office 365

Why to Import OST to Office 365

Can I import OST to Office 365 without Outlook? – This is the most unsolved and complicated question that had been asked on Microsoft and Quora forum. There are a various numbers of users who want to export OST file to Office 365 directly from the Outlook client. Also, some users want to upload OST to Office 365 without Outlook. Why? The reason is quite simple, users want to access and import OST emails in Outlook 365 account. If you are having an orphan Outlook .ost file, you can transfer its data to the MS Office suite.

Advik OST to Office 365 Converter Tool - 100% Safe and Secure

To make this task workable; Advik OST to Office 365 Migration Tool came into existence. Download and install this utility in your Windows machine and export .ost to Office 365 without losing any single bit of information.

How to Import OST file to Office 365 in 4 Easy Steps

Follow the step by step guide to transfer Outlook .ost data into Office 365 Small Business Account

Speciality of Advik OST to Outlook 365 Converter Tool

Transfer Outlook Profile to Office 365

If you are using MS Outlook and want to migrate complete mailbox folders into Office 365 directly then take the help from this software. Advik OST to Office 365 Converter automatically detects Outlook profile and its data. You don't have to add OST file manually. Hence, you can transfer complete Outlook emails to Office 365 directly.

Import OST to Office 365 in Bulk

If you are having multiple Outlook .ost files and want to transfer these files to O365 in one single attempt then here is the solution. Click Add Folder from the software interface and locate all OST files in one folder to batch upload. This option will help you to migrate OST to Office 365 in batch and will save your precious time.

Migrate OST file to Cloud

With Advik OST Converter tool, you can upload OST file to almost any email service provider easily. The software offers more than 20+ email saving options for email migration. Using this program, you can import OST to Yahoo, Zoho Mail, Workmail, Workspace, G Suite, Zimbra, Thunderbird, Gmail, and many more.

Convert OST to 15+ File Formats

Apart from Office 365, the software provide option to convert Outlook .ost file into various popular and useful file formats. With OST to Outlook 365 Converter, you can export OST file into CSV, PST, PDF, EML, MSG, MBOX, TGZ, XPS, RTF, Maildir, OLM, and many more. Download for free and explore its advanced features.

Quick and Instant Transfer Speed

No waiting, save time and skip manual efforts throughout the OST to Office 365 export process. The software is loaded with the latest algorithms that boost its conversion and migration process. Advik Outlook OST to Office 365 Exporter will transfer OST emails to Office 365 Online account in no time.

Maintain Folder Hierarchy

Your email folder and subfolder of Outlook OST file will remain in its original format. The tool offers a secure and retentive email migration, in which the OST file and its metadata is maintained throughout the migration process. Moreover, Advik OST to Office 365 Converter tool preserves the key elements of emails (cc, bcc, date, subject name, time, etc.) without omission of any information.

Migrate Corrupt OST File to O365

Advik OST to O365 Migrator is a smart application that identifies corrupt and password-protected Outlook OST file. the tool has the capability to exports emails from discontinued, corrupted, damaged or encrypted OST file to Office 365 account effortlessly.

Lifetime Free Support

Advik Software provides official live chat support to our valuable customer. In case you are facing any issue regarding this toolkit, you are free to contact us 24/7/365 days for the best assitance. Our team will assist you to open OST file in Office 365 webmail account.

Download the Best OST to Office 365 Converter of 2023 Now

*The Trial version will transfer 25 email files from each OST mailbox folder for free.

Software Specifications

ost to office 365 import

System Requirements

Processor Pentium Class or higher

Operating System Windows 11, 10, 8.1, 8, 7

Memory 512 MB Minimum (1 GB recommended)

Hard Disk 100 MB of free space

Software Delivery

Electronic Yes

License & Version

Personal License For Personal/Home Users

Business License For Business/Coorporate Users

Version 7.0

Few Words From Our Clients

Our goal is to provide a service that keeps our clients happy. We are
pleased to hear any feedback they have to us.

It uploads entire emails of OST file to office 365 account, without changing the original content format or structuring. The tool also allows user to export data to other formats, after the completion of installation of this tool. The tool provides an easiest user interface from where we can easily import OST to Office 365.

Neil, Montreal

Migrate orphan OST file to Office 365 account, is that possible? yes it is now. OST to Office 365 Converter is one of the best tool to import discontinued ost file to Office 365 account directly.

Martin - United Kingdom

Meilleur convertisseur OST to Office 365 pour importer des fichiers Outlook OST à ​​Office 365. Merci pour cet outil génial.

William Richard - France


Steps to migrate Outlook OST file into Office 365 are;

  • Step 1. Run Advik OST to Office 365 Converter in your system.
  • Step 2. Click Add file and add Outlook .ost file.
  • Step 3. Select mailbox folders and click Next.
  • Step 4. Choose Office 365 as target source.
  • Step 5. Enter O365 login credentials and click Convert.

Finished! This is how the software migrate OST to Office 365 file.

No, there is no limitation in case you have purchased the pro version of OST to Office 365 Migration tool Software. For demo users you can upload first 25 emails only.

Yes, you can upload emails from corrupted Outlook Offline OST file to Office 365 Webmail.

Create an IMAP account

  • Open MS Outlook in your machine
  • Click File and choose Add Account Option
  • Enter Office 365 login credentials.
  • Submit IMAP details of Office 365 and click Next.
  • Now click Finish button
This is how you can copy OST emails to Office 365 via manual configuration.

Yes, the software will run smoothly in Windows 11 as well as other previous versions also.