Files ending in csh contain vector shapes used in Photoshop. The Custom Shapes tool opens these files. Files are saved in Photoshop/Presets/Custom Shapes folder. The files cannot convert to other formats. Adobe Systems developed Photoshop and csh files. The files contain custom shapes for Photoshop and Photoshop Elements. To open a file in Photoshop, choose File > Open. If the file does not appear, select the option to show all files. Then click Open. To create a custom shape, use the Custom Shape tool. Choose a shape and set the mode to Shape. Draw the shape then resize with Free Transform. Select a different color. To draw lines, use the shape or pen tools.
The files store collections of shapes for Photoshop. Adobe Systems developed them. By default files save to C:\Program Files\Adobe\Photoshop\Presets\Custom Shapes. Open them through the Custom Shape tool or the Shapes menu. The tool looks like a star beneath the type tool.
CSH files belong to vector image files. Photoshop and 120 other programs open them. They contain custom shapes for Photoshop and Elements. Details on the Adobe website explain csh and supported formats.
CSH files associate with Photoshop custom shapes. Other associations include charts, scripts, audio waveforms, and shell scripts. Photoshop published by Adobe Systems leads image manipulation. Its website has csh format details. The files store decorative shapes for Photoshop, saving time over drawing. Instead, place from Custom Shapes into images. This helps when many similar shapes needed.
The files store Photoshop custom shapes. Photoshop and other graphics programs open them. They contain reusable shapes to simplify compositions. Shapes place through the Custom Shapes tool.