# Extra Menu: Selection

From Audacity Development Manual
The Extra > Selection menu provides commands for changing the Snap-To settings, and for extending and contracting the selection.

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## Snap-To Off

Equivalent to setting the Snap-To control in Selection Toolbar to "Off".

## Snap-To Nearest

Equivalent to setting the Snap-To control in Selection Toolbar to "Nearest".

## Snap-To Prior

Equivalent to setting the Snap-To control in Selection Toolbar to "Prior".

## Selection to Start Shift + Home

Select from cursor to start of track

## Selection to End Shift + End

Select from cursor to end of track

## Selection Extend Left Shift + Left

Increases the size of the selection by extending it to the left. The amount of increase is dependent on the zoom level. If there is no selection one is created starting at the cursor position.

## Selection Extend Right Shift + Right

Increases the size of the selection by extending it to the right. The amount of increase is dependent on the zoom level. If there is no selection one is created starting at the cursor position.

## Set (or Extend) Left Selection

When playing or recording, sets the left boundary of a potential selection by moving the cursor to the current position of the green playback cursor (or red recording cursor). The selection can then be drawn by using "Set (or Extend) Right Selection"(below).

When stopped, increases the size of the selection by extending it to the left. The amount of increase is dependent on the zoom level. If there is no selection one is created starting at the cursor position.

## Set (or Extend) Right Selection

When playing or recording, sets the right boundary of the selection, thus drawing the selection from the cursor position to the current position of the green playback cursor (or red recording cursor). This is a quick way to mark a selection for future editing while playing or recording. Selections can be labeled while playing or recording using Edit > Labels > Add Label at Selection or shortcut Ctrl + B.

When stopped, increases the size of the selection by extending it to the right. The amount of increase is dependent on the zoom level. If there is no selection one is created starting at the cursor position.

## Selection Contract Left Ctrl + Shift + Right

Decreases the size of the selection by contracting it from the right. The amount of decrease is dependent on the zoom level. If there is no selection no action is taken.

## Selection Contract Right Ctrl + Shift + Left

Decreases the size of the selection by contracting it from the left. The amount of decrease is dependent on the zoom level. If there is no selection no action is taken.

## Move to Previous Label Alt + Left

Moves selection to the previous label.

## Move to Next Label Alt + Right

Moves selection to the next label.