Import Data from PST To Office 365

Attach your PST files to Microsoft 365 effortlessly. Uploading your emails, contacts, and other data is easy. The best tool for adding information from PST file into Outlook 365.

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OST2 Customer Reviews

4.9 out of 5

Average Rating: 4.9/5 - 651 reviews

“ The OST2 software worked well for me. Helped me recapture some Microsoft Outlook data I otherwise would have lost. ”

larry h,. usa

About OST2

OST2 - Conversion of connected OST file to PST file

The product is a smart home automation system that allows users to control and monitor various aspects of their home, such as lighting, temperature, security, and appliances, through a centralized app or voice commands.

Features

Convert OST Files to PST Format

Use OST2 to copy data from Exchange OST to PST. Easily save contents even from orphaned Microsoft OST files. Change file format to Outlook PST and access data anywhere. Converting OST to PST has never been simpler.

Migrate OST File To Other Computer

OST2 ensures a smooth migration of OST files. Migrate OST from one computer to another easily with OST2 migrator. Access or add data on a new computer without Exchange Outlook account. Migrating OST data is easy between desktop PC or laptop.

Recover Orphaned OST Files Without Exchange

Open OST data without Microsoft Exchange server account. Restoring access to disconnected OST is difficult without OST2. Our software allows a recovery of orphaned Outlook OST data. Effortlessly restore access to an offline Microsoft Outlook OST file.

MORE FEATURES

Back up an Exchange Mailbox

OST2 allows backing up your Exchange mailbox data. In case of Microsoft Exchange server failure - get back access from PST. Store your user mailbox backup locally.

Export Data From Corrupt OST

Extract corrupted data using "Recovery Mode" in OST2. Even if OST file cannot be opened in any other tool. OST2 will help to extract and review Outlook items in case of OST corruption. Saving and exporting data out of damaged files using OST2 extractor is easy.

Resize Large OST to Small PST

Once OST file reached 50GB, it becomes too large to handle. Compress oversized OST into smaller parts. Compact too big OST into smaller Outlook PST files.

Locate any Outlook Data File on Computer

Detect OST and PST files on your computer automatically. There is no need to browse for a file manually. A scan of OST or PST can be done by clicking a button in the program’s interface.

Free OST File Converter Tool

Our OST2 converter software tool have been in development since 2012. Access any Microsoft Outlook OST. Get the fastest Outlook OST File convertor utility. Download OST2 freeware* totally free now!

Compatible with all Outlook Versions

OST2 supports all versions up to Office 365 (2003, 2007, 2010, 2013, 2016, 2019 and 2021). Compatible with all latest Microsoft Windows versions. Office 365 is fully supported, including O365 Exchange and its Outlook files.

Money Back Guarantee

Enjoy our 14-Days No Risk Full Money Back Guarantee. If you are not satisfied for any reason, you will get your money back.

How To Get Best Technical Support

Our top support team has more than 10 years of experience. We will help with any How To question regarding Microsoft OST. Get Step by step guide and help from personal assistant. The best way to get quick help is to contact us.

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How to Import PST to Office 365

Just follow these simple steps:

Download, install and launch OST2 on your PC.
Click "Migrate/Transfer" button.
Select Outlook PST file you would like to import.
Select the Office 365 account where you would like to add the data.

OST2 will import your data from Outlook PST to Office 365.

About 4Team Corporation

the company behind OST2

OST2 is a free OST to PST converter software designed specifically for Microsoft Outlook users. With OST2, you can easily open your data from Exchange (.OST file) in Microsoft Outlook and even open archive PST files without needing Microsoft Outlook. The main features of OST2 include free OST to PST conversion, automatic backup of Exchange data, recovery of Exchange mailbox data, and the ability to transfer and migrate OST or PST files. The software also offers a user-friendly interface and supports the conversion of OST files from any Exchange version to PST files of any Outlook version. Additionally, OST2 offers related products such as MIGRATE OUTLOOK TO OFFICE 365 and Sync Microsoft Outlook.