QL-Win / QL-Win/QuickLook

OfficeViewer plugin fails to preview PowerPoint

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Dominant language
C#
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Description

Problem description:
After installing the OfficeViewer plugin, PowerPoint files cannot be previewed correctly. Attempts with all versions and failed, while Excel and Word files can be previewed normally.

Plugin: https://github.com/QL-Win/QuickLook.Plugin.OfficeViewer

OS version: Windows 11 25H2 26200.8037

QuickLook version: v4.4.0

Log is attached.

QuickLook.Exception.log

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the PowerPoint preview failure with QuickLook v4.4.0 on Windows 11 and read the attached QuickLook.Exception.log. Then inspect the OfficeViewer plugin repository linked in the issue and compare its PowerPoint handling with the working Word and Excel previews. Done means PowerPoint files preview correctly without regressing the other formats.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
desktop
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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