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RStudio

Fold every section

CmdOptionO

Mac Desktop app RStudio IDE

Practice this

Press Alt + O to fold every section in RStudio. On a Mac, press Cmd + Option + O instead.

Where it works: Source editor

Every documented variant

Variants of this shortcut
System	Environment	Keys
Mac	Desktop app	`CmdOptionO`
Windows	Desktop app	`AltO`

Where this comes from

Keyboard Shortcuts in the RStudio IDE - Posit Support

Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.

More RStudio shortcuts

Unfold every section Cmd + Shift + Option + O
Go to a line Cmd + Shift + Option + G
Go to the next section Cmd + Page Down
Go to the previous section Cmd + Page Up
Extract a function from the selection Cmd + Option + X
Extract a variable from the selection Cmd + Option + V
Reindent the lines Cmd + I
Comment or uncomment lines Cmd + Shift + C

See every RStudio shortcut

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