What is Ctrl + Alt + 7 keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Krita 4.2.2 - Activate brush preset 7
2. GOM Player - (numpad) Window top left corner
3. Guitar Pro - Double flat
4. Adobe Photoshop CC - Camera Calibration panel
5. Unity - Save Selection 7

All programs

All programs using this shortcut, by category.

Imaging

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Adobe Illustrator - Release a clipping mask

Adobe Photoshop CC - Camera Calibration panel

Krita 4.2.2 - Activate brush preset 7

Developer tools

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Unity - Save Selection 7

File manager

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PeaZip - CRC

Media player

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GOM Player - (numpad) Window top left corner

Productivity

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Guitar Pro - Double flat

Note: This page includes variations for Alt + Ctrl + 7
Ctrl + Alt + 7
Ctrl + Alt + 7. Restrict to only Ctrl + Alt + 7.