What is MSG?

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

What is ODP?

ODP (OpenDocument Presentation) is the open standard presentation format used by LibreOffice Impress and other free presentation software.

When Should You Use MSG vs ODP?

MSG vs ODP: Key Differences

• •MSG uses lossless compression while ODP uses lossless compression — both take the same approach to file size management.
• •Since both MSG and ODP use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
• •How transparency is handled: ODP supports transparency, so alpha information is preserved during conversion.
• •MSG files are typically Varies by attachment size while ODP files range 100KB to 20MB
• •Primary audience: MSG is built for email archiving, outlook data extraction scenarios, while ODP focuses on open presentations, slides — pick the format that matches your output requirement.

Advantages of MSG

• ✓MSG compresses data using lossless methods, keeping file sizes manageable for Email archiving, Outlook data extraction.
• ✓Industry-wide support means MSG files open anywhere — from legacy systems to the latest devices.
• ✓Lossless quality makes MSG the gold standard for archival and master copies.
• ✓From professional software to open-source alternatives, MSG works out of the box.

Advantages of ODP

• ✓ODP applies lossless compression specifically calibrated for Open presentations, slides.
• ✓ODP enjoys broad native support across operating systems, browsers, and creative tools alike.
• ✓ODP guarantees every bit of the original data survives — no approximations, no shortcuts.
• ✓You will find ODP support built into virtually every tool that handles Open presentations, slides — no plugins or converters needed.

Common Use Cases for MSG to ODP Conversion

• Academic papers and theses
• Business contracts and agreements
• Spreadsheets and data analysis
• Presentations and slideshows
• Technical documentation
• Email correspondence

Industry Applications

Best Practices for MSG to ODP Conversion

• →When converting MSG to ODP, check that tables, images, and embedded fonts transfer correctly — complex layouts may shift between formats
• →Use ODP as your final distribution format if it offers better compatibility, or keep MSG as an editable master
• →For MSG to ODP 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 ODP Conversion

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

Related Document Converters

All Document Formats

More Document tools