How to open .SHC files on Mac
To open .SHC files on Mac, install/open Adobe Photoshop for macOS.
Step-by-step instructions
- Install/open Adobe Photoshop for macOS.
- Load the contour preset from within Photoshop’s Layer Style/Contour controls (import/load the .SHC preset from the contour manager).
- If Finder won’t open it directly, open Photoshop first and then load/import the contour preset from within the relevant Layer Style panel.
Common issues
Windows or macOS can’t open the .SHC file (no app associated)
This usually happens when Photoshop isn’t installed or the file association is missing. .SHC contour files are meant to be loaded from within Photoshop’s contour/preset management.
- Install or update Adobe Photoshop.
- Open Photoshop and load/import the contour preset from the Layer Style Contour management (rather than expecting the file to “open” like a document).
- On Windows, set Adobe Photoshop as the default app for .SHC via Open with → Choose another app.
The .SHC file opens as garbled text in a text editor
Photoshop contour settings files are binary; viewing them in a text editor will look like random characters.
- Open/load the file in Adobe Photoshop using the contour preset manager instead of a text editor.
- If you expected a readable syntax file, verify the source: it may not be a Photoshop contour file, or it may have been given the wrong extension.
Photoshop won’t load/import the contour preset
The file may be corrupted, incomplete, or not actually a Photoshop contour settings file.
- Re-download or re-copy the file from the original source to avoid partial transfers.
- Confirm the file came from a Photoshop workflow (Layer Effects contour preset).
- Try loading the .SHC in a different Photoshop version or on another machine to rule out a local configuration issue.
Security note
.SHC Photoshop contour files are data/preset files (not scripts), but they are still parsed by Photoshop; only load presets from sources you trust to reduce the risk from malformed files targeting file parsers.