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ICB at a glance
ICB
Convert to ICB when recovering historical raster assets from Truevision-era systems or normalizing old image archives before moving them into PNG, TIFF, or another contemporary format.
It is mainly a compatibility target for legacy graphics collections.
LWP at a glance
LWP
Convert to LWP when maintaining compatibility with Lotus-era document archives or when an inherited repository still depends on Word Pro files.
In most modern contexts the practical task is to open, preserve, or migrate LWP documents into DOCX, ODT, or PDF.
Use LWP only when the surrounding workflow truly still depends on it.
Format comparison
| Feature | ICB | LWP |
|---|---|---|
| File type | Image | Document |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | medium | medium |
| Compatibility | broad | broad |
| Editability | moderate | moderate |
| Created year | 1991 | 1996 |
| Inventor | Truevision | Lotus Development Corporation / IBM |
| Status | active | active |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | exchange |
| Vector scaling | Not supported | Not supported |
When to use each format
When to use ICB
- capture ingest
- editing
- web or print delivery
- Important for long-tail compatibility with historic Truevision-era assets.
When to use LWP
- authoring
- review and collaboration
- distribution
- Important in office-suite history.
FAQs
Why convert ICB to LWP?
Convert to LWP when maintaining compatibility with Lotus-era document archives or when an inherited repository still depends on Word Pro files.
In most modern contexts the practical task is to open, preserve, or migrate LWP documents into DOCX, ODT, or PDF.
Use LWP only when the surrounding workflow truly still depends on it.
What changes when converting ICB to LWP?
This conversion changes how the format behaves in downstream tools and delivery environments.
Archival profile changes from moderate in ICB to strong in LWP. Workflow profile changes from delivery in ICB to exchange in LWP.
What should I review after converting ICB to LWP?
Check the exported file for Largely obsolete as a current editable target.; Less familiar than other legacy office formats to modern users..