How to Use Stellar Outlook PST to MBOX Converter — Step‑by‑Step Guide

How to Use Stellar Outlook PST to MBOX Converter — Step‑by‑Step Guide

What you’ll need

• Windows PC with the Stellar Outlook PST to MBOX Converter installed.
• Source PST file(s).
• Enough disk space for converted MBOX files.
• A target folder where MBOX files will be saved.

Step 1 — Install and launch

1. Run the installer and follow on‑screen prompts to install the converter.
2. Open the application.

Step 2 — Add PST file

1. Click Select PST or Browse.
2. Navigate to your PST file and choose it.
3. If you have multiple PSTs, repeat to add them or use the batch option (if available).

Step 3 — Scan the PST

1. Click Scan or Next to let the tool analyze the PST contents.
2. Wait for the scan to complete; a folder/mailbox tree should appear showing mail folders, contacts, calendars, and attachments.

Step 4 — Preview and select items

1. Expand folders and click messages to preview them.
2. Select the folders or individual items you want to convert.
3. Deselect any unnecessary items to save time and space.

Step 5 — Choose MBOX as output

1. Click Save or Export.
2. Select MBOX as the export format.
3. Choose export options if shown (e.g., folder hierarchy, include attachments, naming conventions).

Step 6 — Set destination and export

1. Specify an output folder for the MBOX files.
2. Confirm any additional settings (split options, log creation).
3. Click Convert or Save to start the export.

Step 7 — Verify converted files

1. After completion, open the destination folder and confirm MBOX files are present.
2. Optionally import the MBOX files into your target email client (e.g., Thunderbird, Apple Mail) to verify message integrity and structure.

Troubleshooting tips

• Corrupt PST: Use the tool’s repair option (if available) or run Outlook’s scanpst.exe before converting.
• Large PSTs: Convert in batches or enable any provided split options.
• Missing folders: Ensure you selected the root mailbox for full conversion.
• Permission errors: Run the converter as Administrator.

Best practices

• Back up original PST files before conversion.
• Convert a small test PST first to confirm settings.
• Keep software updated to the latest version.

If you want, I can provide exact menu names or screenshots for a specific version—tell me the app version or OS.