OST to PST Converter

Complete Step-by-Step Guide for Aryson OST Converter

Easily convert OST files, including emails, contacts, calendars, tasks, and notes, on Windows, Mac, and Linux. This software also allows users to convert OST file data from Outlook for Mac without requiring any email client installation.

    Table of Content
  • Software Working Process
  • Activation Guide
  • Installation & Uninstallation
  • User Interface

Software Working Process

Software Working Process

Step 1: Download and launch the Aryson OST Converter Tool on your system.

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Step 2: Click the Select OST File (s) or Select Folder button. Open the OST file on your system.

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Step 3: To help users understand the software interface easily, below is a detailed explanation of all the buttons:

  • Select Files: Press this button to add single or multiple OST files.
  • Select Folder: Use it to add an entire folder that contains OST files.
  • Remove Selected: Delete selected OST files from the list.
  • Clear List: Clear all added OST files.
  • Proceed: Click on the Proceed button to proceed further.
  • Drag and Drop functionality: The user may add the required OST files using the drag-and-drop features of the software.
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Step 4: Here, it displays the complete details of the OST file that you have added to the software.

  • S. No.: This shows the serial number of the added file.
  • Name: This column displays the exact name of the selected OST file.
  • File Path: Shows the original location of the OST file on your system.
  • Size / No of Files: It helps you understand the file volume and estimate the loading time.
  • Select (Checkbox Option): This option allows you to select or deselect the file. If multiple files are added, you can choose specific files for converting.
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Step 5: At this stage, the software lets you convert mailbox data after loading. It properly displays all folders and subfolders to ensure nothing is missed.

  • Search Folders: Quickly find specific folders in the loaded OST file using keywords for easy navigation.
  • Advanced Search: Locate emails, contacts, or calendar items using detailed search criteria. Search Filter (To / From / Subject): Filter results by sender, recipient, or subject for precise searching.
  • Folder Tree Panel: Displays the complete OST file structure in a hierarchical View for easy selection.
  • Preview Panel: Shows detailed content of selected items before converting. Selected/Total Message Count: Displays the number of selected items compared to the total messages.
  • Open in Browser: Opens emails in the default browser if the panel cannot display complex formatting.
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Step 6: Double-click any email to open it in a separate preview window. This helps you verify the complete message.

  • HTML format: Displays the email with its original formatting, including fonts, colors, and images.
  • Plain text: Shows the email content in simple text without any formatting.
  • Headers: Displays detailed technical header information of the email.
  • MIME: Shows the MIME structure and encoding details of the message.
  • Calendars: Displays the calendars' associated fields.
  • Tasks: Displays the fields like start date, end date, due date, and sensitivity.
  • Notes: To preview the notes' content and their creation date.
  • Raw HTML: Displays the original HTML source code of the email message.
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Step 7: Now, select PST as the output format under the File Formats dropdown menu.

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Step 8: Apply the General filters as per your need and convenience.

  • Date Range Filter – Exports only the emails that fall within the selected start and end date range.
  • File Naming Policy – Allows users to save exported files using a preferred naming convention for better organization.
  • Custom Output Folder – Lets users choose a specific destination folder to store the converted files.
  • Skip Existing Exports – Prevents duplicate exports by automatically ignoring files that have already been exported.
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Step 9: You may apply the following Advanced filters if required.

  • Attachment Handling – Provides options to export attachments separately, merge them, or exclude them from the output.
  • Duplicate Detection – Identifies and skips duplicate emails based on selected criteria such as To, From, Subject, Body, or CC.
  • PST Segmentation – Divides large PST files into smaller PSTs based on a user-defined file size limit.
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Step 10: Specify the path to save the resultant PST file locally on your system.

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Step 11: Finally, click on the Start Export button to begin the OST to PST conversion.

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Step 12: After completion, the software displays Source, Destination, File Count, Processing Status , Execution Time, Total Messages, and Output Location.

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Step 13: After conversion, a pop-up appears “All selected data has been exported successfully” and provides the following options.

  • Start New Export: Start another conversion
  • Export Log: Save the conversion report in CSV format.
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Step 1: Download and launch the Aryson OST Converter on your system.

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Step 2: Click Select OST File (s) or Select Folder and open the OST file from your system.

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Step 3: Below is a quick explanation of the available options.

  • Select Files: Press this button to add single or multiple OST files.
  • Select Folder: Use it to add an entire folder that contains OST files.
  • Remove Selected: Delete selected OST files from the list.
  • Clear List: Clear all added OST files.
  • Proceed: Click on the Proceed button to proceed further.
  • Drag and Drop functionality: The user may add the required OST files using the drag-and-drop features of the software.
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Step 4: The software displays complete details of the selected OST files:

  • S. No.: Displays the serial number assigned to each loaded OST file.
  • Name: Shows the name of the selected OST file added to the software.
  • File Path: Indicates the exact location where the OST file is stored on the system.
  • Size / No. of Files: Displays the total number of files added for converting.
  • Select (Checkbox): Select or deselect files for converting.
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Step 5: At this stage, the software lets you convert mailbox data after loading. It properly displays all folders and subfolders to ensure nothing is missed.

  • Search Folders: Quickly find specific folders in the loaded OST file using keywords for easy navigation.
  • Advanced Search: Locate emails, contacts, or calendar items using detailed search criteria. Search Filter (To / From / Subject): Filter results by sender, recipient, or subject for precise searching.
  • Folder Tree Panel: Displays the complete OST file structure in a hierarchical View for easy selection.
  • Preview Panel: Shows detailed content of selected items before converting. Selected/Total Message Count: Displays the number of selected items compared to the total messages.
  • Open in Browser: Opens emails in the default browser if the preview panel cannot display complex formatting.
screenshot

Step 6: Double-click any email to open it in a separate preview window. This helps you verify the complete message.

  • HTML format: Displays the email with its original formatting, including fonts, colors, and images.
  • Plain text: Shows the email content in simple text without any formatting.
  • Headers: Displays detailed technical header information of the email.
  • MIME: Shows the MIME structure and encoding details of the message.
  • Calendars: Displays the calendars' associated fields.
  • Contacts: Shows information like phone numbers, emails, etc.
  • Tasks: Displays the fields like start date, end date, due date, and sensitivity.
  • Notes: To preview the notes' content and their creation date.
  • Raw HTML: Displays the original HTML source code of the email message.
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Step 7: Now, select Google Workspace under the Export to Email Clients dropdown.

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Step 8: Enter the required admin account ID and JSON key to log in.

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Step 9: Select the required sub-user to specify the destination of migrated OST files.

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Step 10: Apply the General filters as per your need and convenience.

  • Date Range Filter – Exports only the emails that fall within the selected start and end date range.
  • File Naming Policy – Allows users to save exported files using a preferred naming convention for better organization.
  • Custom Output Folder – Lets users choose a specific destination folder to store the converted files.
  • Skip Existing Exports – Prevents duplicate exports by automatically ignoring files that have already been exported.
  • Follow Tree Hierarchy: Select this radio button to maintain the original folder structure during migration to Google Workspace.
  • Mapped with Default Mailboxes: To map OST/PST files to the default folders.
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Step 11: You may apply the following Advanced filters if required.

  • Attachment Handling – Provides options to export attachments separately, merge them, or exclude them from the output.
  • Duplicate Detection – Identifies and skips duplicate emails based on selected criteria such as To, From, Subject, Body, or CC.
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Step 12: Finally, click on the Start Export button to begin the OST to Google Workspace migration.

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Step 13: After completion, the software displays Source, Destination, File Count, Execution Time, Total Messages, and Output Location.

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Step 14: After conversion, a pop appears “All selected data has been exported successfully” and provides the following options.

  • Start New Export: Start another conversion
  • Export Log: Save the conversion report in CSV format.
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Activation Guide

Installation & Uninstallation

Installation & Uninstallation of Software

User Interface

User Interface

After downloading the Aryson OST to PST Converter, you will find the welcome screen as played below.

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