Icons in ICON format can be generally exported to many different bitmap formats - including the TIFF. You might want to check also ICO and TIF file types for conversion, because it's exactly the same file types, just with different file extension.
Convert Icon image file to Aldus Tagged Image File Format (TIFF) bitmap image.
We have found 3 software records in our database eligible for .icon to .tiff file format conversion.
Microsoft Windows software - convert icon to tiff on Windows
GIMP is a free graphic and photo editor used to photo retouching, image composition and image authoring. GIMP is able to expand its features with plug-ins and extensions.
Convert from icon file
to tiff file
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 icon to tiff. 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.
IconUtils is solution used to create icons and cursors for Microsoft Windows. IconUtils is able to create and edit icons as well as create and edit static and animated cursors. You can export final icon/cursor as ICO, BMP, JPEG, CUR, PNG, WBMP, XBM, XPM, PSD (Adobe Photoshop) and RC (Resource Compiler) files.
IconForge is tool used to create incons, cursors and icon libraries for Microsoft Windows. It is able to import from and export projects to a variety of other image, icon and animation types.