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OST Converter Box

SysData OST Converter

Convert OST file to 10+ file formats including Email Servers.

OST Converter is a powerful utility which enables the users to retrieve data, perform a conversion, and export to 15 + file formats. The software has a simple interface that allows even a beginner to use the software without any issue.

  • Convert OST to PST, MBOX, EML, EMLX, etc.
  • Import OST to Office 365, Gmail, & Exchange Server.
  • Extract OST Contacts and Calendar in vCard and ICS file types.
  • Batch Conversion for multiple OST files.
  • Recovers inaccessible OST files.
  • Option to Split OST by Size, Folder, and Date.

Free version enables you to check the preview of OST file within software.

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3 Main Advantages of the Tool - OST Converter

OST Emails

OST Emails


Convert complete OST emails with all the properties including Attachments, Email Internet Header, Embedded Images, Files, Documents, HTML Formatting, Hyperlinks, Metadata (To, Cc, Bcc, Sent/Receive Date & Time) etc.

OST Contacts

OST Contacts


Convert OST contacts to multiple contacts VCF file type with all the fields such as Contact Images, Nice Name, Birth Date, Phone Number, Addresses (Home & Business), Attachments, Meetings, Notes, Email Addresses, etc.

OST Calendar

OST Calendar


Export OST calendar to ICS file type with all the fields such as Tasks, Meetings, Events, Appointment, Start and End Timing of Meetings, Subjects, Notes, Meeting requests, Appointments Slots and Reminders, etc.

Key Features - OST Converter

Complete Items

Convert OST to PST with Complete Items

Converts OST to PST with complete items such as Messages, Contacts, Calendar, Folders, Sub-folders, Journals, Appointments, Tasks, To-do list, Meeting request, Distribution list, Posts, Notes, etc. Resultant PST file can be easily accessed in any version of Microsoft Outlook 2019, 2016, 2013, 2010, etc.

Convert OST Items
Multiple Formats

Convert OST to 10+ File Types All-in-one

SysData OST converter helps users to access OST items in almost all email platforms and servers by converting it to multiple file formats such as PST, MBOX, EML, EMLX, MSG, HTML, VCF, ICS, PDF, NSF, TGZ, OLM, Office 365, Gmail, and Live Exchange Server account without losing even a single bit of data.

OST to Multiple File Types
Batch Conversion

Batch Conversion for Multiple OST Files

Convert single or multiple OST files at once. Software provides you batch conversion option to convert multiple OST files at one time. You can create one single PST or create separate PST file for each file you upload. It is time saving feature

Batch OST Conversion
File Recovery

Recovers Corrupted/ Damaged OST Files

Repair/Recovers corrupted, damaged, password-protected, and highly encrypted OST files. Software uses QDRT techniques by which users can recovers each and every bit of file. Software successfully works in all corruption cases.

OST File Recovery
Move to Office 365

Import OST File to Office 365 Account

Import OST file to Office 365 A/c directly by using OST converter. Just enter Office 365 credentials that will be secured via SSL connection and connect with Office 365 account. Select required items or import complete OST items to Office 365 account in just one click.

OST to Office 365
Move to Exchange Server

Import OST File to Exchange Server

Restore Exchange offline .ost file or import archive OST created by other sources like IMAP directly to Live Exchange server A/c. Entered credentials will be secured via SSL connection. You can also filter messages by Date to import only required OST items.

OST to Exchange Server
Move to Gmail Account

Import OST File to Gmail Account New

User's Demand: SysData OST converter is equipped with this new feature by which you can easily import OST file to Gmail A/c directly. You just need to connect the software with Gmail account and import all required items within few minutes. Message filtering option is also available.

OST to Gmail Account
Email Properties

Maintains Header's Details and Folder Structure

Software maintains header's details like to, cc, bcc, sent/receive Date and time, attachments, embedded images, HTML formatting, links, etc. It also keep folder hierarchy as it is as before. There will be no changes done by software during OST conversion process.

OST Folders Structure
Contacts to vCard

Export OST Contacts to vCard Individually

Software easily exports OST contacts to vCard file type with exact details and image like User's photo, Nick Name, Birth Date, Spouse Name, Business Number, Home Number, Primary Number, Home Address, Business Address, Other Address, Email Id, etc.

OST to vCard
Calendar to ICS

Export OST Calendar to ICS Individually

Export OST Calendar to ICS format with exact data like meeting requests, recurring appointment, calendar appointments, etc and exact calendar types such as Tasks, Meetings, Events, Appointment Slots, etc. There will be no alteration done by software in original data.

OST to ICS
Split File

Split OST File by Size, Date, and Folder

Split large sized OST file into smaller parts by Size, Date, and Folder.

Split by Size: Users can split converted file by Size [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25 GB]
Split by Date: Message filtering option is available to split the converted file within specific date range.
Split by Folder: Users can export the required folder only. Just select/deselect the folder from the left pane of the window.

Split OST File
Remove Errors

Resolve all OST File Error Issues

Software is capable to handle all OST error issues:

  • Cannot open your default email folders. The file xxxx.ost is not an offline folder file.
  • Exchange is currently in recovery mode.
  • Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file xxxx.ost.
  • Emails and other objects in Exchange mailbox are deleted by mistake.
  • Oversized OST file problem (OST file size reaches or exceeds the 2GB limit.)
  • Various errors when synchronizing Exchange Server mailbox with your OST file.
  • Encounter a large number of conflict items.
  • Cannot open particular Outlook items when offline.
Free File Preview

Free Preview before Actual Conversion

User can use the FREE demo version to check the preview of OST file contents. It shows all messages with header's details, attachments, embedded items with exact formatting, folder tree structure, messages count, etc. Demo version is helpful to examine the software before investment.

OST File Preview
Complete Items

Windows and Outlook Compatibility

Software is compatible with all Windows and Outlook Versions:

Microsoft Outlook: Outlook 2019, 2016, 2013, 2010, 2007, etc.
Microsoft Windows: Windows 10, 8.1, 8, Win 7, Vista, XP, etc.
Exchange Server: MS Exchange 2016, 2013, 2010, 2007, 2003 (SP1, SP2, and SP3).

Check how SysData OST Converter Works

Number 1
Download, Install, and run SysData OST Converter.
Number 2
Check preview and select needed file conversion option.
Number 3
Choose split file option to divide file by Size, Date, or Folder.
Number 4
Click on Convert Now button to start conversion process.

Client Reviews

MVP's Reviews

Frequently Asked Questions

Question How to Convert OST File with using SysData OST Converter?

Check step by step procedure to convert OST file:

  • Step 1: Download, install, and run OST Converter.
  • Step 2: Check preview of loaded OST file.
  • Step 3: Select Destination path and required Export option.
  • Step 4: To Split PST file, select Size as per need.
  • Step 5: To filter message according to date, select Message Filtering option and select required Date range.
  • Step 6: Click on Convert Now button to start OST conversion process.
  • Step 7: For Office 365,
    Click on Office 365 icon from the menu of the software.
    Enter User Name/ Email ID and Password.
  • Step 8: To filter messages, select checkbox labeled Message Filtering and select required Date range. Click on Start Processing button to import OST file to Office 365 account.
  • Step 9: For Exchange Server,
    Click on Office 365 icon from the menu of the software.
    Enter Domain Name/IP, User Name/ Email ID, and Password.
  • Step 10: To filter messages, select checkbox labeled Message Filtering and select required Date range. Click on Start Processing button to import OST file to Live Exchnage Server account.
  • Step 11: For Gmail Account,
    Click on Gmail icon from the menu of the software.
    Enter Gmail Address and Password.
  • Step 12: To fitler messages, select checkbox labeled Message Filtering and select required Data range. Click on Start Processing button to import OST items to Gmail account directly.
OST Converter Screenshot

Yes, you can convert OST file to any file format with using demo version but, it restricts you to save the complete data. It will export only first 30 items from each folder of the OST file.

Yes, software works in all corruption cases. You can easily recover corrupted, damaged, password-protected, and highly encrypted OST files.

TRY IT OUT FOR FREE

Start using SysData OST Converter for FREE and know the software efficiency.

*Free download enables you to check ther free preview of OST file.