Customize menu > Customize User Interface > Keyboard panel
The Keyboard panel lets you create your own keyboard shortcuts. You can assign shortcuts to most commands available in the software.
The same shortcuts can be assigned to multiple commands, as long as they occur in different contexts of the software, such as the Material Editor and Track View. For example, in Video Post, CTRL+S is assigned to Add Scene Event; however, in the Main UI, it is assigned to Save File.
In previous versions of the software, Main UI keyboard shortcuts were not available while you were working in other contexts. For example, while in Track View, only the Track View keyboard shortcuts were active; the Main UI keyboard shortcuts were unavailable. In version 4 of 3ds max, if you use a keyboard shortcut, the software will look for a context-specific shortcut first, and if none is found it will look for the appropriate command in the Main UI shortcuts.
The Keyboard Shortcut Override Toggle must be turned on (the default) for the context-specific shortcuts to work properly. If it is turned off, only the Main UI keyboard shortcuts will be available.
To create a keyboard shortcut:
Choose Customize Menu > Customize User Interface > Keyboard panel.
Use the Group and Category lists to find the action for which you want to create a shortcut.
Click action in the Action list to highlight it.
In the Hotkey field, enter the keyboard shortcut you want to assign to the action.
Click Assign.

Group—Displays a drop-down list that lets you select the context you want to customize, such as Main UI, Track View, Material Editor, and so on.
Active—Toggles availability of context-specific keyboard shortcuts. When this is turned on, you can use duplicate shortcut keys between contexts within the overall user interface. For example, A can be the shortcut for Angle Snap toggle within the Main UI, and also a shortcut for Add Key when you are working in Track View. When this is turned off, the shortcuts defined for the appropriate context will not be available. Default=on.
Category—Displays a drop-down list of all the available categories of user interface actions for the selected context.
Action Window—Displays all the available actions and shortcuts, if defined, for the selected group (context) and category.
Hotkey—Allows you to enter a keyboard shortcut. Once the shortcut is entered, the Assign Button is active.
Assigned To—Displays the action a shortcut is assigned to if the shortcut you've entered is already assigned.
Assign—Activates when you enter a keyboard shortcut in the Hotkey field. When you click Assign, it transfers the shortcut information to the Action Window on the left side of the dialog.
Remove—Removes all shortcuts for the selected action in the Action Window on the left side of the dialog.
Write Keyboard Chart—Displays the Save File As dialog. Allows you to save any changes you’ve made to keyboard shortcuts to a .txt file that you can print.
Load—Displays the Load Shortcut File dialog. Allows you to load custom shortcuts, from a .kbd file into your scene.
Save—Displays the Save Shortcut File As dialog. Allows you to save any changes you’ve made to the shortcuts to a .kbd file.
Reset—Resets any changes you’ve made to the shortcuts to the default setup (defaultui.kbd).
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