It looks like this conversion is related to attempts to convert LizardTech MrSID images (.sid) to Enhanced Compressed Wavelet images (.ecw), formats typically used to store map and other GIS data. You will most likely need some dedicated GIS software or converter for that.
Convert LizardTech MrSID image file format to Enhanced Compressed Wavelet image format.
We have found 2 software records in our database eligible for .sid to .ecw file format conversion.
Microsoft Windows software - convert sid to ecw on Windows
A group of GIS (geographic information system) applications
Convert from sid file format
|Yes, ArcGIS supports sid file conversion as a source file type.||No||No||No||No||No||No||No|
|Yes, ArcGIS supports ecw file conversion as a target file type.||No||No||No||No||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned sid to ecw. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A drawing software used to create technical illustrations and graphics