CrushPaper
Support
Support
Updated October 7, 2026 · by Shiva Chandra, maker of CrushPaper
Email tekkdevv@gmail.com — include your macOS version and CrushPaper version (Settings → About). Most answers are below.
"CrushPaper can't be opened"
The app isn't Apple-signed yet. Open System Settings → Privacy & Security, scroll down, click Open Anyway. Or install with the Terminal one-liner on the home page, which avoids the prompt.
Crushed notes don't land in the Trash / App Notes don't follow windows smoothly
Each update of an unsigned app resets the Accessibility permission. Open System Settings → Privacy & Security → Accessibility, remove CrushPaper with –, then add it again.
⌘⇧T doesn't open the board
Browsers use ⌘⇧T for Reopen Closed Tab. Click the CrushPaper icon in the menu bar instead.
Where are my notes?
In ~/Library/Application Support/com.crushpaper.app. Back up that folder to keep a copy.
Uninstall
Quit CrushPaper, then delete /Applications/CrushPaper.app and, to remove your notes too, the folder above.