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OST to PST Converter

Advanced Software is recommended by administrators and techies worldwide for exporting OST files into PST file format. The tool offers 100% precision and maintains mailbox integrity after conversion. It supports large, orphan, corrupted OST files of Outlook 2021, 2019, and below versions.

  • Converts all OST mailbox items - emails, contacts, calendars, etc.
  • Automatically Detect Outlook Profile from the default location
  • Repair Damaged OST file and generate a new Healthy PST file
  • Batch Export OST to PST without facing any Technical Glitches or Error
  • Convert Large OST File into PST without any File Size Limitation
  • Preserve and Maintain Mailbox Folder Hierarchy and Email Attributes
  • Self Explanatory Graphical User Interface for Non-Technical Users
  • Convert Outlook OST to PST along with attachments in 4 simple steps
  • Support OST file of MS Outlook 2019, 2016, 2013, and all earlier versions
  • Windows compatibility with Windows 11 and all previous versions
  • Fully Functional OST to PST Converter Free Download Available to Try
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When to Use Advik OST to PST Converter Tool?

One-Stop Solution for OST to PST Conversion Needs

Corrupted Email Data Recovery

When your Outlook email account is configured with Exchange Server, it creates an Offline Storage Table (OST) file on your computer. It might be possible that your OST file gets damaged, or corrupted, or you face synchronization issues that also lead to potential data loss. The Advik OST to PST Converter helps to recover and convert damaged OST file to PST file while preserving emails, contacts, calendars, and other important data. With the help of this solution, you can also open OST file without Outlook to access orphaned or inaccessible OST.

Migration Between Outlook Versions

You may need to switch to a different version of Outlook and it is important to transfer OST mailbox data to a format compatible with the new one. Here, the Advik OST to PST Converter software comes into play to assist you to open OST file in Outlook 2016/2021/2019 and other versions. It converts OST to PST and enables you to migrate emails, contacts, and calendars from OST file to PST file while ensuring that your data remains accessible and intact in the new environment.

Access Orphan OST File

This need arrives when the OST file has become disconnected from its corresponding Outlook file. So, if you have OST file of an unidentified Outlook profile then it's not possible to view or access OST file data. The only way to access the mailbox data is through the OST to PST file conversion. You need to convert OST to PST so that you can view its content in the Outlook application. Advik OST to PST Converter is the expert-recommended solution to export orphan OST file into a new PST file. This utility makes it accessible and prevents permanent data loss.

Video Tutorial

How to Convert OST to PST File Without Outlook Easily?

Convert OST File to PST Format with Complete Data

Download and install the Advik OST to PST Converter Software and follow the step-by-step instructions;

  1. Run the software & add Outlook OST files.
  2. Choose the required OST mailbox folders.
  3. Select PST as a saving option from the list.
  4. Browse the destination path and Click Convert.

Watch Tutorial

OST to PST converter tutorial
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Learn the Best Way to Convert OST to PST File Format

Best OST to PST Converter Tool - Highlighted Key Features

Tried the rest? Now choose the best, to convert .ost into .pst format without Outlook.

Repair Damaged and Corrupted OST file

Due to system failure, or malware attacks, IT administrators face huge challenges in preserving the data. In the end, the Outlook archive got corrupted and gets damaged. To make it accessible again, choose this error-free OST repair tool. This little magical wizard is powerful enough to recover data from damaged Outlook OST file and export them into healthy PST file formats.

repair damaged Outlook OST file
best way to convert ost file to pst

Maintain Mailbox Folder Hierarchy

During the conversion process, the software maintains and preserves the mailbox folder and subfolder hierarchy. This will help to get rid of any type of confusion while searching for an email after file conversion. Advik OST to PST Conversion tool will hold and preserve key elements (cc, bcc, too, subject name, attachment, signature, hyperlinks, date, time, etc.) of emails. Hence, no data loss or omission of any file will take place.

Split Large OST File into Small PST files

Microsoft Outlook stores numerously heavy data which can be split into small PST files only by using Advik OST to PST Conversion software. With this software, you can split large-sized Outlook Data File (.ost) into small PST files. You will get "Separate PST per User" or you can "Split PST" in 2 GB, 5 GB, and 10 GB options. Choose and select the option as per your requirement.

convert large OST file into PST files

What's More to Expect from Advik OST to PST Tool?

Batch Convert OST to PST with Ease

Advik OST to PST Converter is the ultimate solution for bulk file conversion. This powerful wizard is capable enough to convert multiple OST files into PST in a few simple clicks. This batch file conversion mode will reduce your manual efforts and save time as well. You don't have to undergo with same conversion process again and again with each file. Simply add multiple OST files in the software and convert them all in one click.

Convert OST to 15+ File Formats

Advik OST to PST Converter software enhances the advanced features that make it unique from other tools. This software will provide more than 20+ file-saving options. You can convert OST To CSV, HTML, MHT, XPS, RTF, DOC, Windows Live Mail, ICS, vCARD, PDF, Maildir, and TGZ file types. Plus, you will be surprised to know that the tool will help you import OST to Thunderbird and Lotus Notes clients directly (without configuration).

Convert Orphan or Inaccessible OST file

The software is best practiced by Forensics for e-Discovery activities. Advik OST to PST Converter will help users and forensic experts to convert orphan OST file to PST format. So, the data present in the orphan Outlook archive can be accessible in another Outlook application. Also, you can extract emails from Offline OST to PST and other file formats too.

Export Contacts and Calendar Data

The tool provides an option to extract calendar from OST file and save them to a .ics file format. So that you can transfer Outlook OST calendar entries to Google Calendar, Smartphone, another Outlook client, Thunderbird, etc. In addition, you can extract contacts from OST file and save them into either CSV or VCF file format.

Migrate OST file to Office 365

If you are switching or moving data from OST file to Office 365 webmail account then, here's your solution. Take the help of this wizard and import OST to Office 365 Online account. This software will export a complete mailbox from Microsoft Outlook archive (.ost) folders to Office Online account without losing attachments.

Advanced Email Filter Option

Outlook OST to PST Converter software will create a mirror copy of .ost file to .pst with complete data. In case, you want to skip unwanted email folder(s) and emails, you can apply email filters. The software offers a "Filter Option" where you can apply filters by Subject Name, Date Range, To, CC, etc. to convert specific emails only.

Convert Large OST file to PST

Advik OST to PST tool is designed with the latest and most advanced algorithms to maximize performance. No matter how large the Offline OST file is, the software will easily convert from large OST to PST file without facing any error. Several users deal with the huge size of Outlook archives. It will provide a seamless conversion for huge archives.

Extract Attachments from Emails

OST to PST Converter software can also be used as an OST attachment extractor for you. If you want to extract attachments from OST file, then you will need this quick solution. The software is capable enough to export attachments from OST file and will save them to a separate folder.

Upload OST file into Cloud Server

Advik OST to PST Converter Tool is one of the most advanced and easy to use to import OST to IMAP accounts along with attachments. If your required email service provider is not listed in the saving option. Do Not Worry!! Select the IMAP saving option from the list. Now, using this feature you can transfer emails from OST to almost any web-based email service provider in a few clicks.

Compatibility and Free Tool

The software supports the OST file generated by Outlook 2021, 2019, 2016, 2013, and all the previous versions. This wizard is best compatible with all the latest and older versions of the Windows operating system. You can run this application in 32-bit as well as 64-bit systems freely. What are you waiting for? Download OST to PST Converter free trial to open OST file on another computer.

Software Specification

best mbox to csv converter

System Requirements

Processor Pentium Class or higher

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

Memory 1 GB recommended

Hard Disk 100 MB of free space

License Delivery

Electronic via Email

License & Version

Personal License Activation in 1 Machines

Business License For Business Users

Migration License For Corporate Users

Who Loves Advik Software

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4.9 Overall Satisfaction Rating! Based on 1825 Reviews

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I am pretty much satisfied with the performance of the software. The tool is fast, safe, and suitable to change OST into PST file without losing any data.

Álex González

Mexico
I would like to thank OST to PST Converter software for precisely exporting OST emails to PST file format with ease. The user interface of the software is very simple and genuine and completes the process of conversion in no time.

Sofia

Turkey
Microsoft OST to PST Converter is one of the best utilities that I have tried since now. The tool works so perfectly that I can convert even an outdated OST file to PST along with more than 20+ file formats. Great work guys.

Melissa George

Brazil
I was looking for OST to PST converter free full version. Unfortunately, the free full-version tools are not worth trying. So I looked for an authentic and verified solution then I found Advik OST to PST Converter Software. I tried the FREE demo and then upgraded to the full version without a second thought. This program converted 2.5 GB of OST to PST file without any lag. That's unbelievable.

Cate Blanchett

Montreal
This app is fantastic for everyone, whether you're tech-savvy or not. With just 4 simple steps, it quickly converts multiple OST files to PST including attachments. You should give it a try!

Danila Kozlovsky

New Zealand
Thanks a ton! I have been searching on Google for a long time to convert OST to PST. I haven't found any data related to proper conversion. This tool helped me to export OST emails to PST file without Outlook installation.

Evelyn Luna

United Kingdom
I'm grateful for the Advik OST to PST Converter tool. It made converting my large OST files to PST super easy and kept all my data intact. Big thanks to the entire team – this is one of the best tools I've ever used!

James Elijah

Canada

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Frequently Asked Questions

Follow the steps mentioned below to convert OST file to PST for Outlook 2016;

  • Step 1. Run Advik OST to PST Conversion Tool on your system.
  • Step 2. Click Select Folder, and load Outlook OST into the software panel.
  • Step 3. Select mailbox folders to convert and click the Next button.
  • Step 4. Choose PST as a saving option from the list.
  • Step 5. Click the Convert button and analyze the process.

Now sit back and relax! The software will convert OST to PST format. Now, you can import the converted PST file in Outlook 2016 via the Open and Export option.

Yes, the software provides an option to upload Outlook OST file into Office 365 Online account instantly.

The Advik OST to PST Conversion software offers a FREE demo version with the TRY before you Buy motive. This means that you can evaluate the full functionality and features of the software for FREE before upgrading to the licensed editions. In this way, you can easily convert OST to PST free with the limitations of 25 emails per OST mailbox folder.

The application is completely standalone thus, you can convert OST to PST without Outlook installation.

Yes, you can convert OST files to PST in bulk without facing any trouble.

Sorry, it’s not possible to convert OST to ST online using this utility. This Tool is an offline OST to PST Converter that doesn’t require internet connectivity to run this application. Also, it is not suggested to convert OST to ST online as your OST data file may consist of important content, and uploading an OST file to the server means you are risking your crucial data file.

Yes, this tool supports orphan or damaged OST file without any hassle.

Yes, the software will convert encrypted as well as password-protected Outlook archives without losing any information.

Yes, this utility is best compatible with Windows 11, 10, 8.1, 7, and many other previous versions of Windows OS. Also, this Microsoft OST to PST converter supports all the latest and previous editions of Outlook such as Outlook 2021, 2019, 2016, 2013, and so on. You can choose to install this handy tool on any of your preferred Windows operating systems.