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SysTools OST to PST Converter
Tool to Export & Backup Outlook OST File to PST, Office 365, EML, MSG & HTML

(Average Rating 4.8 Based on 1661 Reviews)

Download Best OST to PST converter and install on your Windows computer to migrate offline Exchange OST File to PST File of Outlook 2019, 2016, 2013, 2010, 2007. This OST 2 PST Converter easily extracts & backup Outlook OST File in PST & also supports to export OST to Office 365, EML, MSG & HTML file type.

  • Convert Data from OST files: Emails, Calendars, Contacts, Task, Journals etc.
  • Freely preview items before conversion of OST to Office 365, PST, EML, MSG, HTML
  • Batch Convert OST to PST, EML & MSG & Other File Formats and Apply Date Filter 100% free
  • Outlook OST Converter allows to Recover, Backup & extract all items of Offline OST file
  • Decrypt & Remove S/MIME & OpenPGP encryption from Outlook OST emails best software
  • Auto-Locate & Bulk Export OST to PST with Search All & Selected Drivenew feature
  • Display deleted data restoration from offline OST mailbox in Red Colour
  • Supports Outlook OST file migration from any IMAP, Office 365 & Hotmail OST File
  • Allows to Convert Outlook.bak to PST file of any MS Outlook versions
  • This OST migration tool is compatible with Microsoft Outlook and Windows Versions

Free Live Demo: – SysTools OST File to PST Converter Fully Secured Download Version

SysTools OST to PST Conversion Software Review & Ratings

Expert rating for this software to export OST File to PST outlook 2019, 2016, 2013 etc.

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Features of Best Outlook OST to PST Converter Software

Download and Install the Software to Verify the Stated Features During Conversion

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Convert Exchange OST to PST Quickly

If you have OST file and you want to export it in PST file type. Then this OST to PST Converter is the best utility for you. Because the tool ensures for complete data conversion from OST file, like emails, contacts, calendars, task, notes, etc. The software also decrypts the OpenPGP encrypted OST file and then convert orphan OST to PST format. It also, removes the S/MIME (secured Multi-PurposeInternet mail Extention) security. So, it is all in one utility, simply download and install it on your Windows system.

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Capable to Export Batch OST to PST At Once

If you have multiple .ost file and you want to convert them together. Then the SysTools OST to PST Converter Tool is helpful for you. Simply download 100% safe and secure utility from above download button and install on Windows system. Now the software will provide your two options, either select the .ost file or search the .ost file from your computer. After that select all files at once and convert batch OST in PST file format. You can check this feature by using OST PST converter demo version for free.

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Support to Convert OST to Office 365 Easily

The software provides wide range of file conversion type. It support to Convert OST to Office 365, PST, EML, MSG and HTML file format. By using this single software, you can convert your Exchange Server IMAP OST file into multiple file types. For Office 365 it provides an advance feature, simply select the .ost file and provide your Microsoft Office 365 account credential and software will migrate complete data from OST file to your Office 365 account. You can also check this feature using free demo version.

  • Export Exchange Server Offline OST Mailbox to PST
  • Option to Convert OST File into PST Without Outlook
  • Export Orphaned OST File to Outlook PST in Hassle Free Way
  • Easily Convert OST File Without Login User Account
  • Backup OST File to PST Without Microsoft Exchange Server

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Keeps HTML Formatting After Exporting OST to PST

The software maintains the HTML formatting during the conversion process. It maintains the To, Cc, Bcc and time stamp, inline images (images used in the messages body). Also the SMTP header and images quality remains intact even after conversion. The OST to PST Wizard is the best utility for secure conversion. The tool is digitally signed, so that you can verify it before installing on your Windows computer.

Steps to Use SysTools OST to PST Converter

  • Download & Install OST PST Software on Windows 10, 8, 7 etc.
  • Browse .ost file using software panel, you can also search .ost files
  • Preview complete data from OST file into preview panel before conversion
  • Select One File type from PST, Office 365, EML, MSG and HTML for Output
  • After successful conversion, Save and import output file in respective mail client

OST to PST Converter Software - Features

Download Best Tool to Export .ost Files into .pst File Format in Problem Free Way

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Batch Convert OST File to PST Format

This OST migration tool is designed in such a way that it export OST file to Outlook 2016, 2013, 2010, 2007 format in bulk. It converts all data items stored in the multiple OST file such as emails, journals, notes, tasks, contacts, etc. Moreover, using this software to export OST data to PST, one can convert offline Outlook file of any size successfully to PST file format. You can also batch convert OST to PST with our Batch OST Converter Tool.

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Move OST to Office 365 in Hassle Free Wayfree software

This OST Exporter tool provides user with facility to upload OST file to Office 365. With this option, the users can easily migrate all items such as Emails along with attachments, Calendars, Contacts etc. from .ost to O365 using Category Filter in Advanced Settings. It also provides facility to export selective mails to Office 365 environment.

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Alternative to Save Scanned OST File in PST

As the user add OST file to the OST to MSG converter software, it begins the OST file scanning process. The scanning is available in 2 Modes: Quick & Advanced depending on corruption level in OST. After scanning the file, the OST to Outlook PST Converter provides users an option to save the scanned OST file on the local machine. This feature is beneficial when the same OST file needs to be opened in future. A user can directly load the scanned OST file and saves time.

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Preview OST File Data Before Conversion

After successful completion of the scanning process, the OST to PST Converter provides an instant preview Offline OST items with 7+ Preview Modes : Normal Mail View, Hex, Properties, Message Header, MIME, HTML, RTF & Attachments. It includes a preview of all components in OST file like emails, contacts, journals, notes, calendars, etc. Moreover, users can view these data in two different views while moving OST to Office 365 i.e. Horizontal and Vertical view . Also, recovered data is shown in Red Color & folders with data will be visible in bold.

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Convert Single & Multiple OST Files to PST download free software

This Tool provide 2 checkbox option to enable users to include and convert single or Multiple OST Files at once :

  • Select File : Convert one OST file at a time to PST
  • Search File : Provides facility to auto search All or Selected Drive from User PC & bulk convert OST Files at once.

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Auto-Search within Selected or All Drive ost / pst crack

The Search File facility within software console gives two major functions which helps save users effort & time:

  • Search Selected Drive: Locate OST File from Selected Drive (eg- C:, D:, E: etc.)
  • Search All Drive: Locate OST File from All available drive in user PC

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Remove S/MIME & OpenPGP Encryption best ost pst

Decrypt Emails option in software console enable Users to easily Decrypt & Remove S/MIME (Secured Multi-purposeInternet Mail Extension) & OpenPGP (Pretty Good Privacy) encryption applied on OST File emails. After conversion, users will be able to receive output PST File without encryption which is accesible without Certificates & Private Keys password.

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User-Defined Date Based Filtering Option

To Transfer Offline OST file to PST format the software provides users an option to convert data from specific dates only. For this, one needs to use the date-based mail filter option and specify the dates in ‘to’ and ‘from’ field. The OST migration software will export OST file that falls under the specified date range to PST format.

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Export OST With or Without Outlook On Windows PC

The Offline OST to Outlook converter software provides users an option to extract data from Offline OST file. The migration can be performed with or without Outlook 2016, 2013, 2010, 2007 installation in the user machine. One can perform complete batch OST conversion process independent of Outlook also with Batch OST to PST Converter Tool.

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Exclude Empty Folder during Export

If users do not want to export emty folders within OST file like : Sent Items, Drafts, Spam or user created empty folders, you can make use of option "Don't export Emty Folders". To enable this option you need to uncheck Maintain Folder heirarchy. After which users will recieve PST file without empty folders.

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Selective Export Options ost messages to pst

Sometimes, the users do not want to convert Offline OST file to PST format. Thus, to resolve this option, the OST 2 PST converter provides an option to export files or folders from OST file. To do the same one just need to check the items that you want to export. The OST to EML converter tool will move only files to PST format without any loss of data. This OST to MSG converter also provides Category Option within Advanced Setting that allows you to choose from various Categories : Mails, Calendars, Tasks, Journals & Notes & Export OST File to PST, Office 365, EML, HTML & MSG.

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Preserve Meta Data of OST File After Conversion

With the help of OST to PST Exporter, one can convert all emails along with attachments stored in offline data file to Outlook PST format. In addition, it keeps the metadata of all items intact as the original. For example: To, Cc, Subject, Size, etc. This OST to EML converter preserves the original formatting of OST file items even after conversion.

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Complete Export Report Generation After Conversion

After a successful completion of the Offline OST data to Outlook PST migration process, the OST migration tool will generate a complete export report. This report contains all details of migration process with exported mailboxes and their destination path. If a user wants then, one can save this report in CSV file format for reference in future.

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Option to Maintain Hierarchy After Exporting OST in PSTost data to pst

This feature within the OST Exporter software allows users to maintain the folder hierarchy of the files in the same way as in the original files after the conversion. You can choose to either maintain folder stucture or not before you start to backup Outlook OST to PST.

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Supports Outlook 2019, 2016 & Below change ost pst

This OST Converter Tool provides Support to the latest Outlook Versions. After the successful conversion from .ost file user can import OST to PST in Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003.

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Install Software on Microsoft Windows OS

The OST file conversion can be done on Microsoft Windows 10, 8, 7 or below versions. Simply download OST file to PST exporter tool and install on your Windows machine. After apply all features as listed above. The software does not required Outlook installed on same machine to to convert convert OST file to outlook PST. It is the best utility to backup files in hassle free way.

Download OST to PST Converter – Specifications

Use the Free Trial Version to Know How to Convert OST to PST Without Outlook

Software Download

Size 26.4 MB

Version 7.0

Trial Limitations

Limitations
Free Demo version of software will generate Preview of OST mailbox data & Support to Export only 25 Items per Folder from OST file to Outlook PST, Office 365, EML, MSG & HTML.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

RAM
500 MB of RAM (1 GB is recommended)

Processor
1GHz processor (2.4 GHz is recommended)

Operating System

2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)

Outlook Versions

Support Conversion from Microsoft Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64 bit)

FAQs

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Feature Comparision Of OST to PST Converter Tool

Get an Overview of Offline OST File to PST Converter Features – DEMO and Licensed Version

Features DEMO 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
Split up large PST file by size
Support Windows 10, 8, 7 and below versions
Backup Outlook OST to PST File 25 Items/Folder All Items
Export OST to Office 365 Easily 25 Items/Folder All Items
Save & Export OST 2 PST, EML, MSG, HTML 25 Items/Folder All Items
Cost FREE $49

Common Questions Asked by User

Know How to Backup Outlook OST File to PST Format in Hassle Free Way

How Can I Export OST to PST Format Using This OST Converter Software?

“I am using Microsoft Windows 10 on my official computer. I have 10 user’s account .ost files and I want to convert it into .pst file format. Please list the steps to convert OST to PST format using SysTools software.”

ost to pst wizard

Perform the steps listed below to Convert Bulk OST to PST Format

  • Step 1 –: Download SysTools OST to PST Wizard and launch
  • Step 2 –: Browse the .ost file using software panel
  • Step 3 –: Now preview OST file data into software preview panel
  • Step 4 –: Select PST radio button and click on Export
  • Step 5 –: Save exported file into .pst format after conversion

Note: - The Software is capable to convert OST file into Office 365, PST, MSG, EML, HTML file format.

Some of the advanced features of the OST Exporter are listed below:

  • Install & Launch OST to PST Converter
  • Batch Export OST File to PST
  • Migrate OST to Office 365, EML, MSG & HTML
  • Preview Offline Outlook File Data Thoroghly
  • Change OST 2 PST With or Without Outlook
  • Export Selective Mailbox Data
  • Support to Maintain Folder Hierarchy

"Most of the offline copy of my organizational user accounts are in an orphan state. The server is down for maintenance too. What can we do to regain the access to these replicas in the defined condition or is there a process to convert orphaned OST to PST?"

The Offline mailbox (OST) of users can be converted to Outlook PST format using this batch OST to PST Converter for regaining the access of its contents for business continuity. The process to convert orphaned OST file to PST file is very easy and simple to understand with this OST migration tool.

"We have several custom email folders in the affected OST files. Some of which isn't necessary. How to manage the time consumed unnecessarily in the conversion of this data?

OST files can be exported without the need of having to convert all data unnecessarily. One can choose what to be and not to be converted from Offline OST file to PST. Checkboxes are provided against each single item and folder to select the preferred data for conversion. This will help manage conversion time by cutting it short according to the requirement.

"There are certain mailboxes that also store more than 20 GB of data which would make the entire conversion a lot more stretched in duration. How will the software handle such bulky sized files and quickly finish the conversion too?"

Although, the OST to Outlook PST conversion time depends somewhat depends on the amount of data being converted, but the software is capable enough to freely deal with large sized mailboxes too at the same time. Therefore, the size of mailboxes won't make much of a difference as the tool's rate of conversion from OST Data file to PST is quite quick as compared to most other utilities of its category.

"While I tried this OST file exporter to perform migration to Office 365, I was not able to proceed? Should I do some changes in the Office 365 Admin account to start conversion?"

Yes, the Office 365 admin account should have Office 365 license assigned. Also, the Admin account of O365 must be impersonated to initiate the method to move OST file to Office 365.

"On trying to process the OST files, it was discovered that many were in a damaged condition too. What are the chances of getting back the data in this condition?"

All data can be transferred with guarantee despite the condition in which the file is available whether intact or corrupt (minor / severe). Free to download OST file converter is also capable of converting data from offline OST mailbox copy in the case of corruption.

"I have 3 GB of Offline OST file, I have taken backup of OST file. What should be the process if I want it to re-import on Exchange Server?"

First thing OST is offline Outlook Data & it is not present on server. For reimporting the data on server you first need to export OST file to PST file. Follow the given process:
  • First, select the desired mailbox & click on the icon and then Import PST.
  • Then specify the path to transfer PST file in Wizard & Click Next.
  • Then on second wizard select the user mailbox in which PST is need to import & Click Next.
  • On the final page select checkbox if you want to notify the PST has been imported & click on Finish.

That's all it become very easy to reimport the OST file back to the server if you have converted already in PST. And for risk free conversion SysTools OST to PST Converter is one of the best solution.

"Currently, we have Exchange 2010 and Outlook 2013. The location on which the archive email stored in my previous machine having Windows 8 is c:\users\UserName\AppData\Local\Microsoft\Outlook. I got a new PC. I have copied the data file and now I want to open archive to look for an old message. But on importing following error message appear. Error, "The file you chose is not an Outlook Data File. You must select a new file of this type." I know that Outlook wont open a .pst file, but I need to open an .OST file."

Firstly, OST is an Offline file. It could not be accessible if you do not have Exchange server synched with your Outlook. To open it in Outlook, you need to convert OST to PST format only. And this is the best OST Conversion Software to change OST File to PST.

"My server deletes sent emails, but there are several OST file stored on different machine. I'd like to integrate all the file into one large file to get managed but without any duplicated messages"

All the entire OST files are need to be converted first into PST format. Then in your Outlook you can integrate all of them one by one in your configured profile. You can also batch convert OST to PST with our Batch OST Converter Tool.

"I would like to move my data incuding more than 3000+ emails to Office 365 with this batch OST to PST converter software. Is it possible?"

This OST migration Tool provides users with facility to migrate OST File to Office 365 with all emails efficiently & Reliably. Let me list some features of this OST file to PST Conversion software.
  • This tool can recover email from OST file Outlook 2016, 2013, 2010 very easily.
  • You can convert any size of OST files with this Outlook file exporter software. There is no restriction on the size of OST files.
  • Convert Outlook.bak to PST file of any Outlook versions
  • Moving an Offline Outlook data file (.ost) to another computer became very smooth
  • User can even restore deleted email with this OST Extractor utility

"Few months back I have deleted my AD account & Exchange 2010, date not remembered. And currently I was in dire need of an old user mailbox who left the company 2 year ago. For some legal issues & investigation we have enforced to find the mailbox anyhow. Searching the system & looking for pst file if being created but it is not there. Anyhow we have manage to find OST file, as the profile get saved somewhere."
Is it possible that Exchange can read the OST file back and I can convert OST to PST 2010? Although I tried to open the OST file in Outlook too, but is not showing any data?"

Earlier we received lot of such case. And in that scenario we only recommend SysTools OST Exporter, since OST is offline storage thus OST file cannot be opened in Outlook whereas PST is easily accessible in Outlook. The OST To MSG converter tool easily convert an Offline File (.ost) to a Personal File (.pst) to access the data back you need. To import PST file in Outlook use this wizard and make OST to PST conversion simpler.

"Currently, I am using Outlook 2016 but I have an orphaned OST file from Outlook 2007 stored in my system. Now, I want to access that OST file in my Microsoft Outlook 2016. Can I use this software to convert OST to PST in Outlook 2016?"

Yes, you can easily export OST data to PST file format from Outlook 2007, 2010, 2013 and 2016. This tool supports both ANSI and UNICODE OST file conversion. So, within a few clicks you would be able to extract OST file to PST which is importable in all Outlook versions. Moreover, the tool provides email filter during export for selective PST data extraction.

"I have 2 types of OST File, First is Hotmail OST file can not be accessed right now & second one Office 365 OST file. Is it possible to migrate both type of OST files into PST Format?"

Yes, you can convert both type of OST File into Outlook Data format. There is no issue either you have Hotmail or Office 365 OST file. This OST Migration Tool Supports all type of .OST File without any external requirement.

"I tried to repair my file using scanpst.exe. At that time MS Outlook created backup of my OST file into a new file with .bak format. I have lost my OST file but .bak file is still there. Can I convert bak to pst file using this OST To MSG converter tool to get back my all data?"

Yes, BAK file is the replica of your OST file. You can get emails, contacts, calendars, tasks and notes data from that bak file using this OST to PST Converter tool. The tool supports outlook.bak file conversion into PST, Office 365, EML, MSG, & HTML format.
No, the SysTools does not provide crack of any version OST converter tool. If you are downloading crack or free serial key from any other website. Then the SysTools is not responsible for any misleading. Also, SysTools suggest to install only digitally signed software on your Windows computer.
Yes, SysTools provides lots of exciting offers which you can claim by applying software coupon code. To avail code for discount contact to

What Customers Are Saying

SysTools OST to PST Converter Verified Purchase Reviews

4.8
1661 Ratings
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