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SysTools OST to MSG Converter

Best Software to Convert MS Outlook OST Files to MSG Format with Complete Data

  • Convert Email, Calendars, Contacts & Other Data from OST to MSG Format
  • Convert OST Files to MSG PST, MBOX, EML, EMLX, NSF Email File Formats
  • Export into Document Format PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, JSON, RTF
  • Export Damaged, Inaccessible, Large Sized Outlook OST to MSG Files
  • Export Exchange, IMAP, Office 365, Hotmail OST File to MSG Format
  • Remove & Decrypt S / MIME & OpenPGP Encryption from OST File Email
  • Naming Convention Feature can Be Used to Set the Name of Exported MSG File
  • Date Filter Option to Export Selective OST File Data to MSG Format
  • Converter for OST to MSG Supports All Versions of Windows and Mac OS

Free Live Demo: – SysTools Converter for OST to MSG Fully Secured Download Version

OST to MSG Conversion Tool - Reviews

Expert Take for this Tool and Understand the Recommendations

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OST to MSG Conversion Tool - Features

Efficient Software to Convert Corrupted, Orphaned OST Files to MSG Format

ost to msg

Provide Support For Advance Filter Options

This OST to MSG Converter Tool provides various Advanced Settings:

  • Naming Convention: The user can set the naming convention option for the final converted files such as Subject, Subject + Date, etc.
  • Date Filter Option: The user can select from date to date interval to selectively convert of OST to MSG files.
  • Categories: With the help of this option the user can select the required OST file Emails, contacts, calendar, etc to perform the conversion.

ost to msg exporter

Support Multiple Export Options

While performing OST to MSG Conversion process, the user can apply various Advanced options:

  • Maintain Folder Hierarchy: This option helps the user to preserve the folder structure of the resultant MSG file the same as the source file. The user can check this Maintain Folder Hierarchy option to preserve the folder hierarchy or uncheck this feature to get the flat hierarchy.
  • Don’t Export Empty Folder: With the help of this feature, The user can Simply discard the empty folders getting converted to the Output MSG file.
  • Ignore System Folders: In case if you don’t want to convert your System folders then the user can check this option to skip the system subfolders during the OST to MSG conversion process.

OST to MSG Converter - Working Video

OST to MSG Converter Software - Prime Features

A Quick Glance at Features of The Software Before Purchasing

convert all types of OST

Export OST file to Other File Formats

SysTools converter for OST to MSG is an efficient tool to export in all listed format. With the help of this software, the user can easily export the OST file emails, contacts, calendar tasks, etc. The user can easily use this application to perform safe and reliable OST to MSG Conversion Process.

Scan Modes

Provides Dual Scanning Modes

After adding the OST file in the software, This OST to MSG Conversion application provides Quick and Advanced Scanning modes. This Quick scan mode is used to quickly add the OST file. And the user can choose Advanced scan mode for highly corrupted OST files.

convert inaccessible OST to MSG

Export All types of OST files

OST to MSG Converter is remarkable software that can easily convert IMAP / Exchange/ Office 365 / Hotmail OST files. Also with the help of This software the user can perform the conversion of corrupted / Inaccessible / Orphaned OST files to MSG files format easily.

preview OST data with metadata

Preview Data with Meta Properties

After completion of the Scanning process This OST to MSG conversion tool loads the entire OST file data and displays the preview of the OST file. The user can view the OST file data in 7 + preview modes. It includes Normal View, Hex View, Properties Header View, MIME, HTML, RTF, and attachments. The user can preview all OST items emails, calendars, contacts along with their metadata.

option to add OST

Different Options to Add OST files

This OST to MSG Converter software provides two options to add the OST files in the software:

  • Select File: With the help of this option the user can add single Outlook OST files in the software.
  • Search File: With the help of this feature the user can add the multiple OST files in the software for OST to MSG file conversion.

support Outlook 2019 and below

Compatible Outlook & Windows OS Versions

This Advanced converter for OST to MSG is compatible with Microsoft Outlook 2024, 2021, 2019, 2016, 2013, 2010, 2007, 2003 versions. Also, this application Supports Windows 11, 10, 8.1 or 8 versions and it is below versions.

decrypt ost file emails

Decrypt Encrypted OST Files

In case if your OST files are encrypted with S/MIME (Secure Multipurpose Internet Mail Extension) or OpenPGP (Pretty Good Privacy Encryption) then this OST to MSG software can remove and decrypt encryption from OST file. After decrypting the file the user can easily perform the OST to MSG Conversion.

advanced filter option

Numerous Advanced Filter Options

This Outlook OST to MSG Application provides Various Advanced Filters options. This Option Includes the Naming convention option which can be used to set the name of exported MSG file. Date based filter to export selected OST file data items. And Category based filters to selectively export emails, contacts, calendar, etc.

OST to MSG Converter - Specification

Try Free Demo Version to Test Installation Requirements

Software Download

Download for Windows

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Trial Limitations

Limitations
Free Demo version will Convert only 25 Items per Folder from OST file to MSG, PST, EML, EMLX, NSF, MBOX, PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC, JSON, RTF format.

System Specifications

(Windows)

Hard Disk Space
100 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

(Mac)

Hard Disk Space
100 MB of free hard disk space required

RAM
4 GB is recommended

Processor
Mac Computer with Intel Processor
Mac Computer with Apple Silicon (Apple M1)

Supported Platforms

(Windows)

Windows 11 (64-bit), 10, 8, 7 (32-bit or 64-bit) & Windows Server 2025, 2022, 2019, 2016, 2012 R2, 2008

Compatible with Microsoft Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021, 2024 (32/64 bit)

(Mac)

MacOS X 10.8 (Mountain Lion), MacOS X 10.9(Mavericks), MacOS X 10.10 (Yosemite), MacOS X 10.11 (El Capitan), MacOS X 10.12 (Sierra), MacOS X 10.13 (High Sierra), MacOS X 10.14 (Mojave), MacOS X 10.15 (Catalina), MacOS X 11.0 (Big Sur), MacOS X 12.0 (Monterey), MacOS X 13.0 (Ventura), MacOS X 14.0 (Sonoma), MacOS X 15.0 (Sequoia), MacOS X 26.0 (Tahoe), MacOS X 27.0 (Golden Gate) and above versions.

Application Pre-Requisites

(Windows)

  • Microsoft .NET framework 4.5 or above should be installed.

(Mac)

Product Guides

(Windows)

Software Guide

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(Mac)

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FAQs

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OST to MSG Converter Tool - Feature Comparison

Get an Overview of Tool Features – Free and Full Version

Features Free Version Full Version
Add and Export Single or Batch OST File
Two Scanning Mode (Quick & Advanced) for OST
Preview OST Emails with Attachment
Remove S/MIME & OpenPGP Encryption from OST File
Support Windows 11, 10, 8, 7 and below versions
Export OST to MSG file format 25 Items/Folder All Items
Other Exporting Options PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC, RTF, PST, MBOX, EML, EMLX, NSF 25 Items/Folder All Items
Cost FREE $49

Common Questions Asked by User

Most Common Queries Related OST to MSG Conversion Process

How to Convert OST to MSG file format?

OST to MSG screen

Follow the 4 simple steps to convert OST to MSG format

  • Step-1: Download OST to MSG Converter and Install on Your System.
  • Step-2: Browse and Add the OST file in the software.
  • Step-3: Now Preview the OST file emails and click on the Export button.
  • Step-4: Select desired MSG file format to perform OST to MSG Conversion.
Yes, By using the OST to MSG Conversion software the user can easily export the OST file to MSG formats without installing Outlook Application.
Yes, This OST to MSG Conversion software allows the user to convert password protected OST files to MSG format easily.
Yes, This OST to MSG easily performs the conversion of OST files along with its attachments.
Yes, After performing the OST to MSG Conversion process the user, the user can easily move the resultant MSG files on another system.
Check Out What Our Clients Say About Us

See What They Have to Say After Using Full Version

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