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ICO at a glance
ICO
ICO grew with the Windows desktop experience, where applications needed icons that scaled across shell views, toolbars, shortcuts, and later higher-DPI environments.
M2V at a glance
M2V
The .m2v extension became the conventional identifier for demultiplexed MPEG-2 video elementary streams during the DVD authoring era, when tools separated video from program streams for independent processing.
Format comparison
| Feature | ICO | M2V |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1985 | 1995 |
| Inventor | Microsoft | Moving Picture Experts Group (MPEG) |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use ICO
- Your source file is already in ICO.
- Preserve source expectations before exporting to M2V.
- ICO is commonly used in image workflows.
When to use M2V
- Your target workflow expects M2V.
- Improve delivery compatibility with M2V.
- M2V is commonly used in video workflows.
FAQs
Why convert ICO to M2V?
DVD authoring video preparation, broadcast MPEG-2 processing where audio is handled as a separate stream, and MPEG-2 encoding pipelines.
What changes when converting ICO to M2V?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to M2V adds layer support. Moving to M2V adds streaming delivery.
What should I review after converting ICO to M2V?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.