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What is MSG?

Outlook Message (MSG) is the email message format used by Microsoft Outlook, storing emails with attachments and metadata.

What is PUB?

Microsoft Publisher (PUB) is a desktop publishing format used for creating professional layouts, newsletters, flyers, and marketing materials.

When Should You Use MSG vs PUB?

Use MSG When...

Reach for MSG when your priority is email archiving, outlook data extraction — its uncompromising quality ensures every detail is preserved.

Use PUB When...

Reach for PUB when your priority is desktop publishing, flyers, newsletters — its efficient compression makes sharing fast and storage minimal.

MSG vs PUB: Key Differences

  • •The core technical difference: MSG relies on lossless compression whereas PUB uses lossy compression.
  • •Moving from MSG (lossy) to PUB (lossy) means the output file will be significantly smaller — but at the cost of some visual fidelity.
  • •How transparency is handled: PUB does not support alpha channels — transparent areas in the source will become opaque.
  • •Storage footprint: Varies by attachment size for MSG vs 500KB to 50MB with images for PUB.
  • •MSG is optimized for email archiving, outlook data extraction while PUB is designed for desktop publishing, flyers, newsletters — choose based on your specific workflow needs

Advantages of MSG

  • ✓MSG uses lossless compression tailored for Email archiving, Outlook data extraction.
  • ✓MSG is supported natively on virtually every device, browser, and operating system.
  • ✓MSG files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓MSG integrates seamlessly with all major creative tools and workflows.

Advantages of PUB

  • ✓PUB compresses data using lossy methods, keeping file sizes manageable for Desktop publishing, flyers, newsletters.
  • ✓Industry-wide support means PUB files open anywhere — from legacy systems to the latest devices.
  • ✓Small file sizes make PUB ideal for email, web uploads, and cloud storage.
  • ✓From professional software to open-source alternatives, PUB works out of the box.

Common Use Cases for MSG to PUB Conversion

  • Case studies and whitepapers
  • Professional reports and proposals
  • Academic papers and theses
  • Business contracts and agreements
  • Spreadsheets and data analysis
  • Presentations and slideshows

Industry Applications

Regulatory ComplianceBusiness AdministrationAcademic PublishingLegal DocumentationOffice ManagementTechnical Writing

Best Practices for MSG to PUB Conversion

  • →When converting MSG to PUB, check that tables, images, and embedded fonts transfer correctly — complex layouts may shift between formats
  • →Use PUB as your final distribution format if it offers better compatibility, or keep MSG as an editable master
  • →For MSG to PUB conversions, verify that tracked changes and comments are preserved if needed
  • →Embed fonts to ensure consistent rendering across devices and platforms
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Troubleshooting MSG to PUB Conversion

  • !Page breaks moved after converting MSG to PUB → margin and spacing settings differ between document formats
  • !Tables in the converted PUB are misaligned → complex merged cells and nested tables are handled differently by each format
  • !Headers and footers missing from PUB → verify that the converter supports header/footer extraction for your source format
  • !Special characters appear as gibberish in PUB → the source file may use a different character encoding than expected

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Convert MSG to PUB Online - Free & Fast

Convert MSG files to PUB online for free. High-quality conversion with no registration required.

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.msg,.MSG (max 100MB)

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About MSG and PUB

MSG

MSG (Outlook MSG) - Outlook Mail Message, email with attachments and metadata. Best for email archiving, outlook data extraction.

PUB

PUB (Publisher PUB) - Microsoft Publisher, desktop publishing format. Ideal for desktop publishing, flyers, newsletters.

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from email archiving, outlook data extraction to desktop publishing, flyers, newsletters
File Size~500KB to 50MB with images after conversion

FAQs

Is converting MSG to PUB free?

Yes, GoConvertFile offers free conversion of MSG to PUB for files up to 100MB. No registration required.

How long does it take to convert MSG to PUB?

Most MSG to PUB conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is PUB best used for?

PUB is ideal for desktop publishing, flyers, newsletters. Microsoft Publisher, desktop publishing format

Does converting MSG to PUB lose quality?

Yes, converting MSG to PUB uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.

What file size should I expect after converting MSG to PUB?

PUB files are typically 50-80% smaller than MSG files because PUB uses efficient lossy compression. The exact reduction depends on quality settings.

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