How OST to PST Converter Software Works Aryson OST to PST Converter Tool is the most awe-inspiring Software that offers a simple method to convert OST files to PST, including email, contacts, calendars, notes, etc., with 100% higher precision. Follow the Given Steps to Convert OST File to PST
  • Download & Install Aryson OST to PST Converter.
  • Run the Software and click the "Add File" button to select an OST file.
  • Click on the "OK" button until the scanning process is completed.
  • Now, previews the OST mailboxes before convert as PST file.
  • Click the "Save" button and select the destination folder to save the recovered OST file.
  • After that, click the "OK" button to convert the OST to a PST file.
  • The selected OST file successfully converts into the PST file.
Benefits of Use of Aryson OST to PST Converter Tool
  • Support to convert OST to PST without Exchange profile and server connectivity.
  • Converts OST to PST, MBOX, MSG, EML, EMLX,and CSV including email, attachments, contacts, etc.
  • Export OST mailbox items to Windows Live Mail (EML).
  • Migrate OST Emails to MBOX file and their supported email clients Mac Mail, Mozilla Thunderbird, SeaMonkey, Apple Mail, Entourage, Opera Mail, and Postbox.
  • Allow reducing OST file size by splitting the resultant PST  file.
  • Convert OST Email to PDF and other document formats CSV, TXT, PNG, DOC, DOCX, JSON, and DOCM.
  • Export OST Files to Office 365 and many other Cloud/Webmail Email Services Yahoo, Gmail, Hotmail, IMAP Server, OperaMail, Thunderbird, Amazon WorkMail, GoDaddy, HostGator, AOL, & Yandex.
  • Compatible with all Windows versions, including Windows 11.
  • Support OST files of Outlook 365, 2019, 2016, 2013, 2010, and below versions.

What does Microsoft OST to PST Converter do?

The Problem
I have multiple OST files of Outlook and Exchange Server, but it does not open in Microsoft Outlook. As you know, it does not open in Outlook without converting the OST file to PST format. So I need to convert an OST file to PST format.

The Solution
Aryson OST to PST Converter is the best answer to the problem. This utility converts single or multiple OST files into PST formats, including emails, contacts, calendars, tasks, events, etc. After that, you can open the converted OST file into Outlook without a problem.

Aryson OST to PST Converter Software - Review & Ratings

Experts review this software to convert an OST file to PST without Outlook

Video Steps to Convert OST files into PST Outlook 2019, 2013, 2016 & 2010 Online

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The OST to PST Converter software permits users to restore the OST file mailboxes when Exchange Server goes down & convert them into Outlook PST files. In addition, it exports recovered OST files as PST importable formats of Outlook 2019, 2013, 2016, 2010, 2007, etc. Aryson converter for files takes only 6-steps procedures to convert Outlook OST file to PST without installing Microsoft Outlook Email Clients.

When to Use Aryson OST to PST Converter Software?

When you need to convert an OST file to PST This software will help you when you need to convert OST files to PST and easily convert OST mailboxes and their components with 100% accuracy. Besides, OST to PST Converter exports OST files to Outlook webmail (Hotmail).
Import OST Files into Gmail and other Webmail Whenever you need to import OST files directly into Gmail or other webmail email clients, use Aryson OST Converter software and import multiple OST files into Gmail and other webmail email clients such as Yahoo, Office 365, IMAP, etc.
When to Convert OST File to PST in Office 365 Sometimes there is a need to convert the OST file to a PST file in Office 365 because OST does not open natively, and it is opened only after converting to a PST file. In this case, the OST File to PST Converter tool is the best way.
When Need to Restore Data from Outlook OST files Various situations depend on inaccessible OST file mailboxes, such as Exchange Server crashes, virus attacks, the abnormal shutdown of Outlook, etc. With Aryson OST to PST Converter Tool, you can extract mailboxes from an OST file into PST.

Most Awesome Features of Aryson OST to PST Converter

Download Best Free OST File to PST Converter
Download Best Free OST File to PST Converter

The software is available with a demo version for a free evaluation. In addition, it allows users to convert up to 50 email items per folder from an OST file to PST and another file format or webmail email client for free.

Safely Convert All OST Files to PST
Safely Convert All OST Files to PST

Aryson OST to PST Converter software is an instant solution for OST file conversion of all supportable platforms such as IMAP, Exchange, and Office 365. The software executes quick conversion of large OST files to PST when the Exchange Server is down or inaccessible.

Convert OST File to Multiple Email File Formats
Convert OST File to Multiple Email File Formats

Best OST to PST Converter helps users to convert the first 50 items for free from Outlook OST files into multiple email files. It exports all mailbox items of OST files into PST, EML, MSG, MBOX, and EMLX file format without any data loss. Also, keep the attachments from the OST files.

Export Single or Multiple OST to CSV & VCF Format
Export Single or Multiple OST to CSV & VCF Format

The OST2PST is a powerful utility that allows you to export single and bulk Outlook OST emails, contacts, calendar data, journals, notes, and other data items to CSV files. After that, you can easily open an email as a .csv file in MS Excel, Google spreadsheet, etc.

Import OST File to Gmail Cloud/Web-based Email Clients
Import OST File to Gmail Cloud/Web-based Email Clients

An efficient and powerful Aryson OST to PST Converter helps directly import OST files into the Gmail email account. Besides, the software also exports the OST file data items to Yahoo, Hotmail, Thunderbird, Office 365, Exchange Server Account, IMAP Server Account, AOL, OperaMail, Amazon WorkMail, GoDaddy Webmail, HostGator Webmail, Yandex, and so on.

Convert OST File to PDF & Other Document Formats
Convert OST File to PDF & Other Document Formats

The OST PST converter by Aryson extracts OST mailbox items safely and preserves data and the email hierarchy of mailbox folders. Moreover, the tool allows users to save the OST mailboxes times into non-email file format or document formats such as PDF, HTML, MHTML, DOCX, TXT, DOC, DOCM, and JSON.

Support to Convert OST File Calendars to ICS Format
Support to Convert OST File Calendars to ICS Format

The OST to PST File Converter offers you options to save the calendars of OST mailboxes into ICS file format. After converting OST mailboxes calendars as ICS files, you can easily open them into Microsoft Outlook, Mozilla Thunderbird, Apple Calendar, and Google Calendar.

Preview OST Mailboxes Email and Attachments
Preview OST Mailboxes Email and Attachments

The tool allows users to preview the details of an OST file mailbox item and show the mailbox content in a tree-structure mode. Also, you can check the preview of your email items in a separate window. The preview features help to extract a specific item of OST file mailboxes.

Mail Filter Feature to Export or Convert OST Files
Mail Filter Feature to Export or Convert OST Files

Do you need to convert specific data from OST files to PST formats? The OST to PST File Converter helps users export or convert single and batch OST files with date ranges. Choose the Mail filter feature and enter the specific text field to execute the process.

Maintain Data Integrity & Mailbox Hierarchy after Conversion
Maintain Data Integrity & Mailbox Hierarchy after Conversion

The OST PST Converter is a perfect tool to maintain data originality and the mailbox folder hierarchy of OST mailbox data items after OST to PST conversion. It also keeps the frequency conversion while converting into EML, MBOX, MSG, PDF, etc.

Technical Overview


You must be aware of OST and PST file formats for users of Microsoft 365, MS Exchange, IMAP, or POP3 accounts. Both of them are used to store data items for the server.

The difference between OST and PST Files

OST and PST are Outlook data files; both store Outlook email messages, contacts, calendars, tasks, notes, journals, attachments, etc. If you use Outlook client with Microsoft Exchange Server, an offline folder is created on the local system after synchronization, and this offline folder is called OST (Offline Storage Table). In comparison, the Outlook PST file is created in Outlook Profile and opened in Outlook. But to open an OST file in Outlook, it has to be converted to a PST file.

Aryson OST to PST Converter is a professional and expert suggested utility to export or convert all types of OST files. It supports converting the OST files of Outlook, IMAP, Exchange Server, Office 365 & Hotmail. The software converts each data like emails, attachments, tasks, journals, calendars, and events from the OST files into PST and other multiple documents & email files formats such as MBOX, MSG, EMLX, EML, HTML, CSV, PDF, VCF, ICS, PNG, JSON, DOC, and many other file formats. Moreover, import the OST files to Gmail, Office 365, IMAP, Thunderbird, HostGator, etc.

Software Prerequisites & Recommendations

Request For Software Customization

Note: If you need to customize Aryson Software or need additional some specific features then, provide the software customization Request Quote

Trial Limitations

The Free or Demo version of the software is just a replica of the Full version with all the features and benefits. The single restriction is that it can preview & convert 50 emails for free into 25+ file formats with web-based/cloud email clients.

Download  

Size: 124MBVersion: 22.10

Required System Specification

Hard Disk Space: 500 MB of free hard disk space required

RAM: 4 GB of RAM (4 GB is recommended)

Processor: Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz"

Supported Platforms

Outlook Versions: Office 365, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98, and 97.

MS Exchange Server: 2019/ 2016/ 2013/ 2010/ 2007/ 2003/ 2000/ 5.5 and 5.0.

Window OS: The software is compatible with all the widely used Windows versions, including the latest Windows 11, 10, 8, 8.1, and other below versions.

Software Prerequisites
  • If you are operating the Windows OS 11, 7, 8, & 10 (either 32 bit or 64 bit) then must launch the tool as an Administrator.
  • Turn off the Windows Firewall for proper installation.
  • Disable the Antivirus programs.
FAQ
Aryson Converter for OST Files: Demo Version vs Full Version

Get an Overview of OST File to PST Converter Features - DEMO and Full Version

Product Features Free Version Full Version
Convert Single & Batch OST Files
Select and Open OST File
Preview OST emails with attachments before Conversion
Convert OST to PST and other formats MBOX, EML, EMLX, CSV, DOC, etc. 50 Items per folder
Import Outlook OST Files to Gmail, Office 365, Thunderbird, IMAP, GoDaddy Email, etc. Only 50 Email Items
Mail Filter Feature
Remove Duplicate Emails of OST files before Conversion
Convert OST to PDF Documents formats 50 Items per folder
Price Free $49
Money Back Policy
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Aryson OST to PST Converter Verified Purchase Reviews

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Frequently Asked Questions

Below are the steps to convert OST to PST without Outlook.

  • Run the software to export the OST files to PST.
  • Select the OST file from your system or local storage.
  • Double-click to the folders to expand the emails.
  • Preview each email content with attachments files.
  • Click Next and choose PST from the dropdown.
  • Click Convert to execute the conversion without Outlook.

There are no specific techniques for OST files to PST conversion depending on the Outlook Version. Therefore, use the Aryson OST to PST Converter to convert the OST files into PST formats.

Yes, this software is safe and secure, but it is not free. You can only convert 50 email items per folder from the Outlook OST file for free. For unlimited conversion, purchase the full version of the software.

Yes, you can open and view all the mailbox items of an OST file without Outlook, and there is no need for an Outlook application to be installed on the system. Download the Free OST to PST Converter and Run. Select your OST file to Open all the mailbox folders.

Yes, Outlook OST File to PST Converter supports converting oversized and multiple OST files in a single attempt without any data loss and keeps the mailbox folder hierarchy.

No, the software does not support the conversion of corrupt OST files. However, you can repair corrupt OST files with the OST Recovery tool. Later on, use this efficient converter utility to convert OST to PST for free.

No, there is no such requirement to run the software. Download and Run the software to perform the conversion process.

Here are the steps to convert single or batch OST files by rate range.

  • Launch the Tool.
  • Select Single/Multiple OST files.
  • Check all displayed mailbox folders.
  • Choose the saving formats from the wizard.
  • Opt for the Mail filter feature and enter the start & end date.
  • Finally, choose the Path to save and click Convert.

Yes, Aryson OST to PST Converter software is highly safe to use. It doesn't render any alteration during OST to PST conversion. Our software products are ISO Certified 9001:2015 and 27001:2013 standards.

This issue appears when the OST file is opened in any other program. We advised you to close the OST file from other running programs.

It means that the selected OST file for conversion is corrupted. You must try the OST Recovery software to recover the OST files.