Quick Preview File-Type Compatibility Checklist
Use one Finder Space-bar workflow to verify folders, archives, Markdown, and ebooks while recording macOS version, file type, and failure conditions.
Direct answer
Quick Preview publicly covers folders, archives, Markdown, EPUB, MOBI, AZW, and AZW3. Compatibility should be verified with the current macOS version and real samples; this page provides a repeatable method rather than presenting an unrun lab benchmark.
Repeatable checklist
| Test area | Suggested step | Record |
|---|---|---|
| Folder | Select in Finder and press Space | Record item count, depth, and whether the structure is sufficient |
| Archive | Test a small and a large supported archive | Record format, file count, scan time, and unreadable entries |
| Markdown | Test headings, lists, links, tables, and code blocks | Record rendering differences and linked-asset behavior |
| EPUB / MOBI / AZW | Test a legally obtained sample in each format | Record title, chapter navigation, layout, and unsupported features |
Evidence standard
- Record macOS and app versions, test date, and sample source.
- Use files you have the right to process and no real sensitive data.
- Record successes, failures, and limitations—not only successful screenshots.