Graphic designers and video editors frequently use this naming convention when exporting draft versions of their work.
Wedding and event photographers often upload "Preview" galleries with these filenames to give clients a quick look at their photos before the full editing process is complete. This is common on platforms used by photographers to share early emotional captures of the day. PREVIEW-005.jpg
Some creative suites, like PTE AV Studio , use preview files to show how a specific font or text layout will appear in real-time. Graphic designers and video editors frequently use this