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What is MPP?

Microsoft Project (MPP) is a project management file format used for storing project plans, schedules, resource assignments, and Gantt charts.

What is OTH?

OTH (OpenDocument HTML Template) combines OpenDocument features with HTML compatibility for creating web-ready documents and online forms in LibreOffice.

When Should You Use MPP vs OTH?

Use MPP When...

Reach for MPP when your priority is project plans, gantt charts, task tracking — its efficient compression makes sharing fast and storage minimal.

Use OTH When...

Reach for OTH when your priority is web document templates, html-based forms, online publishing — its uncompromising quality ensures every detail is preserved.

MPP vs OTH: Key Differences

  • •MPP and OTH diverge on compression: lossy compression for the source, lossless compression for the target.
  • •The switch from lossy compression to lossless compression means you preserve full quality at the expense of larger file sizes.
  • •Transparency: N/A
  • •Storage footprint: 500KB to 50MB for large projects for MPP vs 10KB to 500KB for typical templates for OTH.
  • •Use case fit: MPP targets project plans, gantt charts, task tracking and OTH targets web document templates, html-based forms, online publishing — your choice depends on which workflow stage you are serving.

Advantages of MPP

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

Advantages of OTH

  • ✓OTH uses lossless compression tailored for Web document templates, HTML-based forms, online publishing.
  • ✓OTH is supported natively on virtually every device, browser, and operating system.
  • ✓OTH files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓OTH integrates seamlessly with all major creative tools and workflows.

Common Use Cases for MPP to OTH Conversion

  • Policy and procedure manuals
  • Grant applications
  • Case studies and whitepapers
  • Professional reports and proposals
  • Academic papers and theses
  • Business contracts and agreements

Industry Applications

InsuranceReal EstateRegulatory ComplianceBusiness AdministrationAcademic PublishingLegal Documentation

Best Practices for MPP to OTH Conversion

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

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

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Convert MPP files to OTH online for free. High-quality conversion with no registration required.

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About MPP and OTH

MPP

MPP (Project MPP) - Microsoft Project, project management file format. Best for project plans, gantt charts, task tracking.

OTH

OTH (OTH) - OpenDocument HTML Template, web-oriented document template for LibreOffice/OpenOffice. Ideal for web document templates, html-based forms, online publishing.

Format Comparison

CompressionLossy → Lossless
TransparencySupported
Use CaseConvert from project plans, gantt charts, task tracking to web document templates, html-based forms, online publishing
File Size~10KB to 500KB for typical templates after conversion

FAQs

Is converting MPP to OTH free?

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

How long does it take to convert MPP to OTH?

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

What is OTH best used for?

OTH is ideal for web document templates, html-based forms, online publishing. OpenDocument HTML Template, web-oriented document template for LibreOffice/OpenOffice

Does converting MPP to OTH lose quality?

No, converting MPP to OTH does not cause additional quality loss — OTH uses lossless compression. However, any artifacts already present in the original MPP file will persist in the OTH output.

What file size should I expect after converting MPP to OTH?

OTH files are typically 2-5x larger than equivalent MPP files because OTH preserves all pixel data. This is expected and necessary for lossless quality.

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