Outlook Deliverability Checker

Analyze Outlook email files and headers to extract metadata and check for issues.

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8,484+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

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About This Tool

The Outlook Checker is a powerful online tool that allows you to analyze Outlook email files (.msg, .eml, .pst, .ost) and raw email headers. Upload a file or paste email headers to extract key metadata such as sender, recipient, subject, date, and attachments. The tool validates the email structure, checks for common issues like spam flags or encoding problems, and provides a detailed report. It's completely free and works entirely in your browser with secure backend processing.

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How to Use

Upload an Outlook email file (.msg, .eml, .pst, .ost) by clicking the upload area or paste email headers into the text box.
Click the 'Check Outlook File' button to start the analysis.
View the results including extracted metadata, validation status, and any detected issues.
Download the analysis report if needed.

Frequently Asked Questions

Find Quick Answers

What file formats does the Outlook Checker support?

The tool supports Outlook email files in .msg, .eml, .pst, and .ost formats, as well as raw email headers pasted as text.

Is my email data secure?

Yes, all processing is done securely on our servers. Uploaded files are not stored permanently and are deleted after processing.

Can I check email headers without uploading a file?

Yes, you can paste raw email headers directly into the text box for analysis without uploading a file.

What kind of issues does the tool detect?

The tool checks for common email issues such as invalid headers, spam flags, encoding problems, and missing required fields.

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