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What is OTT?

OpenDocument Text Template (OTT) is a reusable document template format for LibreOffice and OpenOffice word processors.

What is MPP?

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

When Should You Use OTT vs MPP?

Use OTT When...

Reach for OTT when your priority is document templates, letterheads, form letters — its uncompromising quality ensures every detail is preserved.

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.

OTT vs MPP: Key Differences

  • •OTT uses lossless compression while MPP uses lossy compression — this is the fundamental technical difference between the two formats.
  • •Converting from OTT to MPP changes compression type: lossy source becomes smaller but with some quality tradeoff.
  • •How transparency is handled: MPP does not support alpha channels — transparent areas in the source will become opaque.
  • •OTT files are typically Small template files while MPP files range 500KB to 50MB for large projects
  • •Use case fit: OTT targets document templates, letterheads, form letters and MPP targets project plans, gantt charts, task tracking — your choice depends on which workflow stage you are serving.

Advantages of OTT

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

Advantages of MPP

  • ✓MPP applies lossy compression specifically calibrated for Project plans, Gantt charts, task tracking.
  • ✓MPP enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓MPP delivers impressive compression ratios, shrinking files dramatically while keeping visual quality high.
  • ✓You will find MPP support built into virtually every tool that handles Project plans, Gantt charts, task tracking — no plugins or converters needed.

Common Use Cases for OTT to MPP Conversion

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

Industry Applications

Academic PublishingLegal DocumentationOffice ManagementTechnical WritingData AnalysisEducation

Best Practices for OTT to MPP Conversion

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

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

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About OTT and MPP

OTT

OTT (ODT templates) - OpenDocument Text Template, reusable document template. Best for document templates, letterheads, form letters.

MPP

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

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from document templates, letterheads, form letters to project plans, gantt charts, task tracking
File Size~500KB to 50MB for large projects after conversion

FAQs

Is converting OTT to MPP free?

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

How long does it take to convert OTT to MPP?

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

What is MPP best used for?

MPP is ideal for project plans, gantt charts, task tracking. Microsoft Project, project management file format

Does converting OTT to MPP lose quality?

Yes, converting OTT to MPP 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 OTT to MPP?

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

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