1. Home
  2. Document Converter
  3. Convert PPSX to PUB

What is PPSX?

PowerPoint Open XML Slideshow, presentation in slideshow mode — stored as application/vnd.openxmlformats-officedocument.presentationml.slideshow — uses lossless encoding to handle slide presentations, kiosk displays, automated demos. Typical file sizes: varies by content.

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 PPSX vs PUB?

Use PPSX When...

Reach for PPSX when your priority is slide presentations, kiosk displays, automated demos — 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.

PPSX vs PUB: Key Differences

  • •PPSX uses lossless compression while PUB uses lossy compression — this is the fundamental technical difference between the two formats.
  • •Converting from PPSX to PUB changes compression type: lossy source becomes smaller but with some quality tradeoff.
  • •Alpha channel support: PUB lacks transparency support, so semi-transparent pixels from the source will be lost.
  • •Storage footprint: varies for PPSX vs 500KB to 50MB with images for PUB.
  • •PPSX is optimized for slide presentations, kiosk displays, automated demos while PUB is designed for desktop publishing, flyers, newsletters — choose based on your specific workflow needs

Advantages of PPSX

  • ✓The lossless nature of PPSX means file sizes stay reasonable while handling Slide presentations, kiosk displays, automated demos efficiently.
  • ✓From mobile devices to enterprise servers, PPSX is recognized and supported everywhere.
  • ✓The trade-off for PPSX's perfection is larger files — but for archival work, it is worth every megabyte.
  • ✓PPSX is a first-class citizen in all major software ecosystems, from creative suites to development environments.

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 PPSX to PUB Conversion

  • Invoice and billing documents
  • Onboarding materials
  • Policy and procedure manuals
  • Grant applications
  • Case studies and whitepapers
  • Professional reports and proposals

Industry Applications

Human ResourcesSupply Chain ManagementInsuranceReal EstateRegulatory ComplianceBusiness Administration

Best Practices for PPSX to PUB Conversion

  • →When converting PPSX 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 PPSX as an editable master
  • →For PPSX 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 PPSX to PUB Conversion

  • !PPSX to PUB formatting looks off → complex layouts with tables and columns may shift between formats
  • !Fonts render differently in PUB → embed fonts or use standard web-safe fonts before converting
  • !Images missing from the PUB output → ensure images are embedded in PPSX, not linked externally
  • !Tracked changes disappeared after converting PPSX to PUB → some document formats don't support revision tracking

Related Document Converters

All Document Formats

View all Document converters →

More Document tools

Convert to PUB →Convert from PPSX →

Convert PPSX to PUB Online - Free & Fast

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

Document Converter

Upload or enter a URL to convert PPSX to PUB instantly

Click to upload or drag & drop PPSX file

or paste from clipboard

.ppsx,.PPSX (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About PPSX and PUB

PPSX

PPSX (PPSX) - PowerPoint Open XML Slideshow, presentation in slideshow mode. Best for slide presentations, kiosk displays, automated demos.

PUB

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

Format Comparison

CompressionLossless → Lossy
TransparencyN/A
Use CaseConvert from slide presentations, kiosk displays, automated demos to desktop publishing, flyers, newsletters
File Size~500KB to 50MB with images after conversion

FAQs

Is converting PPSX to PUB free?

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

How long does it take to convert PPSX to PUB?

Most PPSX 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 PPSX to PUB lose quality?

Yes, converting PPSX 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 PPSX to PUB?

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

Related Tools

PDF to PUB
Convert PDF to PUB
PDF to PPSX
Convert PDF to PPSX
DOCX to PUB
Convert DOCX to PUB
DOCX to PPSX
Convert DOCX to PPSX
View all document converter converters
Tune output for this document conversion

Leave blank to convert all pages.