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DOC at a glance
DOC
DOC belongs to the older binary Office family that Microsoft later documented through its Open Specifications work, reflecting its long period of real-world dominance before DOCX.
MPG at a glance
MPG
The .mpg extension became familiar during the era when MPEG-family video files were central to consumer digital video, discs, downloads, and desktop playback.
Format comparison
| Feature | DOC | MPG |
|---|---|---|
| File type | Document | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1987 | 1993 |
| Inventor | Microsoft | Moving Picture Experts Group (MPEG) |
| Status | active | active |
| Primary use cases |
|
|
When to use each format
When to use DOC
- Your source file is already in DOC.
- Preserve source expectations before exporting to MPG.
- DOC is commonly used in document workflows.
When to use MPG
- Your target workflow expects MPG.
- Improve delivery compatibility with MPG.
- MPG is commonly used in video workflows.
FAQs
Why convert DOC to MPG?
Convert to MPG when a device, archive, or legacy workflow explicitly expects MPEG program-stream style video, especially for standard-definition material and older distribution paths.
It is a sensible target for compatibility and recovery work.
For mainstream modern playback, MP4 is usually the more convenient container.
What changes when converting DOC to MPG?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting DOC to MPG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.