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WMF to ICS Converter — Free, Online, No Signup
Convert WMF files to ICS online with no signup required.
WMF at a glance
WMF
The original WMF specification was published in the Windows 3.1 SDK documentation in 1992. Aldus Corporation independently added a 'placeable' header for device independence, which Microsoft later incorporated in Windows 2000. The format specification was republished in 2006 under the Microsoft Open Specification Promise.
ICS at a glance
ICS
RFC 5545 codified iCalendar as the interoperable event and scheduling format behind broad calendar exchange.
Format comparison
| Feature | WMF | ICS |
|---|---|---|
| File type | Vector | Other |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 1998 |
| Inventor | Microsoft Corporation | IETF |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Vector scaling | Supported | Not supported |
| Structured data | Not supported | Supported |
When to use each format
When to use WMF
- Your source file is already in WMF.
- Preserve source expectations before exporting to ICS.
- WMF is commonly used in vector workflows.
When to use ICS
- Your target workflow expects ICS.
- Improve delivery compatibility with ICS.
- ICS is commonly used in other workflows.
FAQs
Why convert WMF to ICS?
Convert to ICS when the output needs to be imported into calendar software, sent as an invite, published as a subscribable event feed, or exchanged between scheduling systems.
It is ideal for appointments, event series, meeting notices, and automated calendar workflows.
Use it when time and recurrence semantics matter more than generic document presentation.
What changes when converting WMF to ICS?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ICS removes vector scaling. Moving to ICS adds structured data.
What should I review after converting WMF to ICS?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.