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What is PUB?

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

What is XLTM?

XLTM files are built around lossless compression. Designed for business spreadsheets with macros, automated reporting, they use the application/vnd.ms-excel.template.macroenabled.12 MIME type and typically range from varies by content.

When Should You Use PUB vs XLTM?

Use PUB When...

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

Use XLTM When...

Reach for XLTM when your priority is business spreadsheets with macros, automated reporting — its uncompromising quality ensures every detail is preserved.

PUB vs XLTM: Key Differences

  • •The core technical difference: PUB relies on lossy compression whereas XLTM uses lossless compression.
  • •The switch from lossy compression to lossless compression means you preserve full quality at the expense of larger file sizes.
  • •Alpha channel support: XLTM handles transparency.
  • •File sizes: PUB files typically range 500KB to 50MB with images and XLTM files N/A.
  • •Primary audience: PUB is built for desktop publishing, flyers, newsletters scenarios, while XLTM focuses on business spreadsheets with macros, automated reporting — pick the format that matches your output requirement.

Advantages of PUB

  • ✓At its core, PUB relies on lossy encoding — a design choice that makes it perfect for Desktop publishing, flyers, newsletters.
  • ✓You won't run into compatibility issues with PUB — it's a universal standard across platforms.
  • ✓File size management with PUB: aggressive compression with minimal visible quality loss.
  • ✓Every major application in the Desktop publishing, flyers, newsletters space supports PUB natively.

Advantages of XLTM

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

Common Use Cases for PUB to XLTM Conversion

  • Spreadsheets and data analysis
  • Presentations and slideshows
  • Technical documentation
  • Email correspondence
  • Forms and templates
  • Compliance documentation

Industry Applications

Office ManagementTechnical WritingData AnalysisEducationEnterprise SoftwareGovernment Administration

Best Practices for PUB to XLTM Conversion

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

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

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Convert PUB to XLTM Online - Free & Fast

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

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About PUB and XLTM

PUB

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

XLTM

XLTM (XLTM) - Excel Macro-Enabled Template, spreadsheet template with macros. Ideal for business spreadsheets with macros, automated reporting.

Format Comparison

CompressionLossy → Lossless
TransparencySupported
Use CaseConvert from desktop publishing, flyers, newsletters to business spreadsheets with macros, automated reporting
File Size~Standard file sizes after conversion

FAQs

Is converting PUB to XLTM free?

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

How long does it take to convert PUB to XLTM?

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

What is XLTM best used for?

XLTM is ideal for business spreadsheets with macros, automated reporting. Excel Macro-Enabled Template, spreadsheet template with macros

Does converting PUB to XLTM lose quality?

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

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

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

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