How to Import Exchange OST file into Outlook?


New Member
Outlook version
Outlook 2010 64 bit
Email Account (as MS Exchange)
Hi friends, I am using Outlook 2010 and someday ago update MS Outlook 2016. and I restore OST file in the New Outlook platform but give a message "The file you chose is not an Outlook Data file. " please suggest to me "how to open this file?"



New Member
Outlook version
Outlook 2016 64 bit
Email Account
Exchange Server 2010
Hi Leelan; if you use outlook 2010 that suggest you,

Using ATS Software

By using ATS Software you can easily convert.OST File to.PST File without any hurdle it is specially designed for your convenience and cover all risk of losing your data

Some features of ATS Software

Recover Microsoft offline OST file into Outlook PST file.

Keep the data integrity with 100% accuracy.

Recover Deleted/ permanently mails Items from corrupted offline OST file

Complete Conversion of offline.OST mailbox database as, Emails, Attachments, and Contacts, Calendar, Journals, Notes, and all mailbox.

Easily and simple way to Fix Corrupt offline OST as well as Outlook PST File.

Easily restore all Properties such as To, Bcc, Cc, From, Attachment, Subject, and Date.

Display the preview of the recovered mailbox before the actual conversion along with attachment, contact.

Break the large OST file into several small PST file as per your necessity.

Recover with Convert Multiple offline OST files to PST file selected Batch Converter

Support cloud-based application Live Exchange Server & Office365.

Extract and collect data to several file formats as PST, HTML, vCal, MSG, EML, MBOX, vCard & EMLX.

Transfer encrypted and password protected files without any hassle.

Convert Single as well as Multiple OST Mails items to PST, EML, MSG, and HTML.

Backing the version of MS Outlook 2002, 2003, 2007, 2010, 2013, 2016 & 2019 also supportable.

Software Supported Any Size of Exchange OST File into PST file.



Outlook version
Outlook 2016 64 bit
Email Account
Office 365 Exchange
Sign on to the computer on which the OST file was created. Disconnect from your network, and then open or restart Microsoft Outlook. Select "File," click "Open & Export," and then click "Import/Export" to run the "Import and Export" wizard. Click "Export to a File," choose "Next," select "Outlook Data File.