PST Converter Tool

Aryson PST Converter

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

Software Working Process

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

screenshot1

Step 2: Add the Required PST/OST Files.

Use the available options to import PST/OST files into the software.

  • Select File(s): Browse and add one or multiple PST/OST files from your system.
  • Select Folder: Import an entire folder containing multiple PST/OST files for batch conversion.
  • Drag & Drop PST Files: Drag PST/OST files directly into the software interface for quick loading.
  • File Details Grid: View the file name, file path, file size, and selection status of each added PST/OST file.
  • Select Checkbox: Select the specific PST/OST files you want to process.
  • Remove Selected: Remove only the selected PST/OST files from the list.
  • Clear List: Remove all added PST/OST files from the list at once.
  • Upgrade License: Upgrade the trial version to access the complete conversion features.
  • Live Chat: Contact the support team for assistance when needed.
  • Proceed: Click to move to the next step after selecting the required PST/OST files.

Add the required PST/OST file(s), verify their details, select the files you want to process, and click Proceed to preview and convert the data.

screenshot2

Step 3: Preview & Search PST/OST Mailbox Data

  1. Browse and expand mailbox folders to view emails and other available mailbox items.
  2. Use the Search Folders option to quickly locate a specific PST/OST folder.
  3. Double-click a folder to load its contents into the J-table.
  4. Use Advanced Search with fields such as To, From, or Subject to find specific emails.
  5. Double-click an email to view its contents in the Advanced Preview Panel.
  6. Enable Open in Browser if the email preview does not load correctly within the application.
screenshot3

Advanced Preview Panel:

The Advanced Preview Panel displays the Date, To, From, and Subject fields of the selected email, along with the following data components:

  • HTML Body: Displays the email content with its original HTML formatting and styling.
  • Plain Text: Displays the message body in unformatted text.
  • Attachments: Lists and previews the files associated with the selected email.
  • Calendar: Displays calendar item properties, including subject, date, time, and location.
  • Contacts: Displays contact records and associated information stored in the PST/OST file.
  • Notes: Displays notes stored within the PST/OST mailbox.
  • Tasks: Displays task properties and related information.
  • Headers: Displays technical message headers, including routing and transmission details.
  • MIME: Displays the MIME structure and associated message components.
  • Raw HTML: Displays the source HTML code of the email for examining its underlying formatting structure.
screenshot3

Software Working Process

Step 4: Select the Export File Format

Select the Export File Format radio button and choose the required output format from the available options. The PST Converter supports the following export formats: PST, MBOX, EML, MSG, DOCX, PNG, ICS, VCF, PDF, CSV, MD, JSON, and Mozilla Thunderbird.

screenshot4

Step 5: Configure Additional PST Conversion Settings

Before initiating the conversion, configure the available export settings according to your requirements.

  1. Configure General Export Settings

Select the required output format or destination email client and apply the appropriate conversion settings.

  • Date Range Filter: Export only the PST/OST data that falls within a specified date range.
  • Custom Output Folder: Specify the destination path where the converted data will be saved.
  • Skip Existing Exports: Prevent duplicate export of items that have already been converted.
screenshot5

Feature-Specific Setting

File Naming Policy: Define a custom naming convention for exported files using combinations of email attributes, such as subject and date, to maintain an organised output structure.

Note: The File Naming Policy feature is supported only for EML, MSG, VCF, ICS, DOCX, PNG, and PDF output formats.

  1. Configure Advanced Export Option

Configure the available export settings to control attachment processing, duplicate handling, and output file size.

  • Attachment Handling: Choose whether to export attachments separately or exclude them from the output.
  • Duplicate Detection: Detect and skip duplicate emails based on criteria such as To, From, Subject, Body, and CC.
  • Format-Specific Export Options: For PST:
  • PST Segmentation: Split the resulting PST/OST file into multiple smaller PST files according to the specified size limit.
  • For MBOX:
  • MBOX Segmentation: Divide large MBOX files based on the defined file size or generate individual MBOX files for separate mailbox folders.
  • For PDF:
  • PDF Size Restriction: Split the exported PDF data into multiple files according to the specified size limit, with a maximum supported limit of 500 MB.
  • Merge Attachments: Incorporate email attachments into the generated PDF as part of the document pages.
screenshot6

Step 6: Click Browse to select the destination folder for the converted files. Once the location is specified, click Start Export to initiate the conversion process.

screenshot6

Step 7: Monitor and Complete the PST to Google Workspace Migration

After clicking Start Export, monitor the migration progress and review transfer statistics in real time.

  • Source PST File: Verify the PST file selected for conversion.
  • Target Format: Confirm the selected output format and destination for the converted data.
  • Mailbox Items Processed: Track the number of emails, folders, and other mailbox items being processed.
  • Conversion Status: Monitor the current status of the conversion process.
  • Execution Time: View the total time taken to complete the conversion.
  • Total Messages: Check the number of email messages processed successfully.
  • Target Location: Verify the destination path where the converted data is being saved.
  • Progress Bar: Monitor the overall conversion progress in real time.
  • Stop Conversion: Stop the conversion process if required
screenshot7

Step 8: Verify the Conversion Results

Once the conversion is completed, the software displays the message “All selected data has been exported successfully.” You can then use the available options to review the results or initiate another conversion task.

  • Export Log: Open the detailed log report to review the conversion status, processed items, and export results.
  • Start New Export: Initiate a new PST conversion or export task as required.
screenshot8

Step 4: Select the Export to Email Clients option and choose Microsoft 365 as the target destination.

screenshot4

Step 5: Authenticate the Microsoft 365 Account

Choose either Method A or Method B to authenticate the active Microsoft 365 account using valid login credentials.

  1. Use OAuth 2.0 authentication
  1. Enter your Microsoft admin account email and click on Authenticate.
screenshot5
  1. Log In To Your Account
  1. Select an Account
    • In the Pick an account window, click the Microsoft account you want to use.
    • Alternatively, select Use another account if your account is not listed.
  2. Provide your password and click Sign in.
  3. Approve Multi-Factor Authentication (MFA)
    • If prompted, open the Microsoft Authenticator app on your mobile device.
    • Approve the sign-in request.
    • If a matching number is displayed (e.g., 53), enter that number in the Authenticator app and approve the request.
  4. Authentication Successful
    • Once verification is completed, a confirmation message will appear: "Authentication complete. You can close the browser and return to the application."
    • Close the browser window.

Note: While selecting the Office 365 account in the browser window, make sure you have already logged in to the required account before.

screenshot5

Note: Sign in to the required Microsoft 365 account in your browser before starting the migration. If multiple browser windows are open with different accounts, use the one where the required Microsoft ID is already logged in, as authentication will proceed only in that browser.

  1. Authenticate Using Application Credentials
  1. Turn off the Use OAuth 2.0 Authentication option.
  2. Provide the Microsoft 365 Admin Account, Application (Client) ID, Client Secret, and Tenant ID to establish and authenticate the connection.
screenshot5

Enter Azure Application Details

Fill in the following information from your Azure app registration:

Field Description
Microsoft 365 Admin Account Admin email address
Application (Client) ID Azure App Client ID
Client Secret Secret generated in Azure
Tenant ID Microsoft Entra ID (Azure AD) Tenant ID

If you choose Application Credentials Authentication (Client ID, Client Secret, and Tenant ID), you must first create an Azure App Registration and assign the required API permissions in Microsoft Entra ID (Azure AD).

For complete instructions on creating the Azure Active Directory application and enabling API permissions, visit:

Create Azure Active Directory and Enable API Permission Guide

In the guide at step 17, you need to add the required API permissions. The image below lists all the API permissions that must be configured for successful authentication and migration.

screenshot5
  1. After generating the credentials, fill in the required fields and click on Authenticate.

B.1: Select Mailbox Mapping Mode

Choose how to map the source files to the destination Microsoft 365 mailboxes.

  • Migrate All Files to Selected Mailbox(es): Import all selected files into the specified Microsoft 365 mailbox(es).
  • Map Each File to Specific Mailbox(es): Assign individual source files to their respective Microsoft 365 destination mailboxes.
  • Next: Select the required mapping option and click Next to proceed with mailbox mapping and migration.
screenshot5

B 1.1: Migrate Files to Selected Mailboxes

  • Fetch Users Automatically: Retrieve all available mailboxes from the authenticated Microsoft 365 tenant.
  • Import via CSV: Optionally upload a CSV file to add specific destination mailbox users.
  • Search Mailboxes: Use the search function to quickly locate a specific mailbox.
  • Verify User Information: Review the Name, User ID, Mailbox Type, and Validation Status of each mailbox.
  • Select Destination Mailboxes: Select the required mailboxes individually or use Select All.
  • Check Validation Status: Confirm that the selected mailboxes show Allowed status before proceeding.
  • Proceed: Click Next to continue to mailbox mapping and start the migration configuration.
screenshot5

Note:

  • Allowed indicates a licensed and valid mailbox, while Denied indicates a non-licensed or invalid mailbox.
  • Mailbox types may include User Mailbox and Shared Mailbox.
  • Only mailboxes with Allowed status can be selected as migration destinations.

Import Users via CSV

  1. Enable CSV import and download the sample CSV template.
  2. Enter mailbox details in the required format and save the file.
  3. Click Import CSV and browse to the updated CSV file.
  4. Review the imported users and verify their validation status.
  5. Select the required mailboxes and click Next to continue.
screenshot5

B.1.2: Map Each File to the Appropriate Mailbox(es)

  1. Verify Source Folders: Review the folders listed under Source Folder and confirm that all required mailbox data has been loaded successfully.
  2. Assign Target Mailboxes: Click the -- Select Target Mailboxes -- dropdown corresponding to each source folder and assign the appropriate destination mailbox.
    • Select the required Microsoft 365 target mailbox from the available list.
    • Use Search Users to locate a specific destination mailbox quickly.
    • Verify the mailbox UPN and mailbox type before assigning it.
    • Confirm that the selected mailboxes are licensed and migration-ready.
    • Use Select All to assign multiple mailboxes simultaneously.
    • Review the mailbox counts under All, Licensed, and Unlicensed for validation.
    • Click Apply to save the mailbox mappings.
  3. Select Folders: Use the checkboxes on the right to select or deselect folders for migration. Use Select All to include all available folders.
  4. Import Mapping via CSV (Optional): Select CSV Import to upload a predefined mailbox-mapping file when migrating multiple user profiles in a single operation.
screenshot5
  1. Save and Migrate: Click Save Mapping & Start >> to lock in your folder configuration and begin the migration process.
screenshot5

Step 6: Configure Migration Settings and Filters

Configure the following options to control the migration scope, destination, and folder structure:

  • Date Range Filter: Specify a start date and end date to migrate only emails within the selected period.
  • Custom Output Folder: Define a preferred destination path for saving the migrated data.
  • Skip Existing Exports: Exclude items that have already been migrated to avoid duplicate processing and reduce migration time.
  • Follow Tree Hierarchy: Preserve the source mailbox’s original folder hierarchy in the destination.
  • Map with Default Mailboxes: Automatically map standard source folders to their corresponding default folders in the target mailbox.
screenshot6

Step 7: Configure Advanced Migration Filters

  • Attachment Handling: Configure how attachments are processed during migration. Enable the option to exclude attachments when they are not required in the destination.
  • Duplicate Detection: Enable duplicate filtering to avoid migrating identical email items. The software identifies duplicates by comparing attributes such as To, From, Subject, Body, and CC.
screenshot7

Step 8: Click Start Export to begin the PST to Office 365 migration conversion process.

screenshot8

Step 9: Monitor and Complete the PST to Google Workspace Migration

After clicking Start Export, monitor the migration progress and review transfer statistics in real time.

  • Source PST File: Verify the PST file selected for conversion.
  • Target Format: Confirm the selected output format and destination for the converted data.
  • Mailbox Items Processed: Track the number of emails, folders, and other mailbox items being processed.
  • Conversion Status: Monitor the current status of the conversion process.
  • Execution Time: View the total time taken to complete the conversion.
  • Total Messages: Check the number of email messages processed successfully.
  • Target Location: Verify the destination path where the converted data is being saved.
  • Progress Bar: Monitor the overall conversion progress in real time.
  • Stop Conversion: Stop the conversion process if required
screenshot7

Step 10: Verify the Conversion Results

Once the conversion is completed, the software displays the message “All selected data has been exported successfully.” You can then use the available options to review the results or initiate another conversion task.

  • Export Log: Open the detailed log report to review the conversion status, processed items, and export results.
  • Start New Export: Initiate a new PST conversion or export task as required.
screenshot8

Step 4: Mark the Export to Email Clients radio button and select IMAP as the destination.

screenshot4

Step 5: Configure IMAP Server and Authenticate

  1. Enter the destination email address.
  2. Provide the app password or mailbox password.
  3. Specify the IMAP Server Host and IMAP Port Number.
  4. Click on the Server List option to fetch supported IMAP server details automatically.
    • Select the IMAP host as desired or search for a specific one and click Continue.

Verify the selected files and click Proceed.

screenshot5
  1. Enable Show Credentials to verify the entered password.
  2. Click Authenticate to validate the mailbox connection and proceed with the migration.
screenshot5

Step 6: Configure Additional PST Conversion Options

  1. Configure General Conversion Settings
  • Date Range Filter: Select a specific date range to convert only the required emails from the PST file.
  • Custom Output Folder: Specify the destination folder where the converted files, logs, and reports will be saved.
  • Skip Existing Items: Skip items that have already been processed or exported to prevent redundant conversion.
screenshot6
  1. Configure Advanced Conversion Options
  • Attachment Handling: Choose whether to exclude attachments while converting the PST data.
  • Duplicate Detection: Identify and skip duplicate emails based on To, From, Subject, Body, and CC fields.
screenshot6

Step 7: Click on the Start Export button to begin the PST to IMAP migration.

screenshot7

Step 8: Monitor and Complete the PST to Google Workspace Migration

After clicking Start Export, monitor the migration progress and review transfer statistics in real time.

  • Source PST File: Verify the PST file selected for conversion.
  • Target Format: Confirm the selected output format and destination for the converted data.
  • Mailbox Items Processed: Track the number of emails, folders, and other mailbox items being processed.
  • Conversion Status: Monitor the current status of the conversion process.
  • Execution Time: View the total time taken to complete the conversion.
  • Total Messages: Check the number of email messages processed successfully.
  • Target Location: Verify the destination path where the converted data is being saved.
  • Progress Bar: Monitor the overall conversion progress in real time.
  • Stop Conversion: Stop the conversion process if required
screenshot7

Step 9: Verify the Conversion Results

Once the conversion is completed, the software displays the message “All selected data has been exported successfully.” You can then use the available options to review the results or initiate another conversion task.

  • Export Log: Open the detailed log report to review the conversion status, processed items, and export results.
  • Start New Export: Initiate a new PST conversion or export task as required.
screenshot8

Step 4: Select Google Workspace under the Export to Email Clients drop-down list.

screenshot4

Step 5: Authenticate your Google Workspace Account

Log in via the Workspace admin account and JSON key, and click Authenticate.

You can generate a JSON file with the help of the detailed guide.

screenshot5

Step 6: Map Source Files to Google Workspace User Accounts

Associate the selected source file with the corresponding Google Workspace mailbox before starting the migration.

  1. Select the imported source file from the mapping list.
  2. Click Select Directory Users and choose the target Google Workspace user account.
    • Search or select the required User ID to map and click Apply.
screenshot6
  1. Alternatively, you can import a CSV file for bulk user mapping.
  • Click on the Sample CSV button to save a demo CSV file.
  • Afterwards, click on the Import CSV button to import the saved CSV file.
screenshot6
  • Click ok and click on Select CSV users.
  • Select the required user IDs of the users and click Apply.
screenshot6

Step 7: Configure Migration Settings

Configure the available settings to control the PST conversion and export process.

  1. Apply General Filters:
  • Date Range Filter: Convert emails and other mailbox items within a specified start and end date.
  • Custom Output Folder: Select a destination location for saving the converted files, logs, and reports.
  • Skip Existing Exports: Prevent previously exported items from being processed again during subsequent conversions.
  • Preserve Folder Hierarchy: Maintain the original PST mailbox folder structure in the output.
  • Map Default Folders: Automatically map standard PST folders, such as Inbox, Sent Items, Drafts, and Deleted Items, to their corresponding folders in the selected destination format.
screenshot7
  1. Apply the Advanced Filters:
  • Attachment Handling: Choose whether to include or exclude email attachments during conversion.
  • Duplicate Detection: Identify and skip duplicate emails based on criteria such as To, From, Subject, Body, and CC.
screenshot8

Step 8: Click on the Start Export button to begin the PST to Google Workspace migration.

screenshot8

Step 9: Monitor and Complete the PST to Google Workspace Migration

After clicking Start Export, monitor the migration progress and review transfer statistics in real time.

  • Source PST File: Verify the PST file selected for conversion.
  • Target Format: Confirm the selected output format and destination for the converted data.
  • Mailbox Items Processed: Track the number of emails, folders, and other mailbox items being processed.
  • Conversion Status: Monitor the current status of the conversion process.
  • Execution Time: View the total time taken to complete the conversion.
  • Total Messages: Check the number of email messages processed successfully.
  • Target Location: Verify the destination path where the converted data is being saved.
  • Progress Bar: Monitor the overall conversion progress in real time.
  • Stop Conversion: Stop the conversion process if required
screenshot7

Step 10: Verify the Conversion Results

Once the conversion is completed, the software displays the message “All selected data has been exported successfully.” You can then use the available options to review the results or initiate another conversion task.

  • Export Log: Open the detailed log report to review the conversion status, processed items, and export results.
  • Start New Export: Initiate a new PST conversion or export task as required.
screenshot8

Activation Guide

Installation & Uninstallation

Installation & Uninstallation of Software

For Windows   🠪🠫
For Mac   🠪🠫

User Interface

User Interface

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

screenshot interface