Separate parts from a fused selection

`Ctrl` + `↑ Shift` + `U`

All hotkeys for Roblox Studio

General New	`Ctrl` + `N`
General Open	`Ctrl` + `O`
General Close	`Ctrl` + `W`
General Close	`Ctrl` + `F4`
General Save	`Ctrl` + `S`
General Save as...	`Ctrl` + `↑ Shift` + `S`
General Toggle grid	`Alt` + `G`
General Toggle Explorer window	`Alt` + `X`
General Jump to Explorer filter	`Ctrl` + `↑ Shift` + `X`
General Jump to Properties filter	`Ctrl` + `↑ Shift` + `P`
General Toggle Advanced Objects	`Ctrl` + `I`
General Record a video	`F12`
General Settings...	`Alt` + `S`
Camera Controls Forward	`W`
Camera Controls Forward	`↑`
Camera Controls Back	`S`
Camera Controls Back	`↓`
Camera Controls Left	`A`
Camera Controls Left	`←`
Camera Controls Right	`D`
Camera Controls Right	`→`
Camera Controls Down	`Q`
Camera Controls Up	`E`
Camera Controls Change camera speed	`↑ Shift` + `← ↑ → ↓`
Camera Controls Turn the camera	`Mouse movement`
Camera Controls Zoom in or out	`Mouse wheel up and down`
Scripting Zoom script in	`Ctrl` + `=`
Scripting Zoom script out	`Ctrl` + `-`
Camera Controls Focus	`F`
Camera Controls Rotate left	`,`
Camera Controls Rotate right	`.`
Camera Controls Pitch down	`Page Up`
Camera Controls Pitch up	`Page Down`
Camera Controls Undo camera move/shift	`[`
Camera Controls Redo camera move/shift	`]`
General Editing Copy	`Ctrl` + `C`
General Editing Paste	`Ctrl` + `V`
General Editing Cut	`Ctrl` + `X`
General Editing Delete	`Del`
General Editing Delete	`⬅ Backspace`
General Editing Undo	`Ctrl` + `Z`
General Editing Redo	`Ctrl` + `↑ Shift` + `Z`
General Editing Redo	`Ctrl` + `Y`
General Editing Select all	`Ctrl` + `A`
General Editing Paste into	`Ctrl` + `↑ Shift` + `V`
Selecting and Editing Parts Select tool	`Ctrl` + `1`
Selecting and Editing Parts Move tool	`Ctrl` + `2`
Selecting and Editing Parts Scale tool	`Ctrl` + `3`
Selecting and Editing Parts Rotate tool	`Ctrl` + `4`
Selecting and Editing Parts Anchor / un-anchor selected object	`Alt` + `A`
Selecting and Editing Parts Duplicate	`Ctrl` + `D`
Scripting Go to line	`Ctrl` + `G`
Selecting and Editing Parts Ungroup	`Ctrl` + `U`
Selecting and Editing Parts Select within model	`Alt` + `Mouse left click`
Selecting and Editing Parts Jump to Rotate increment field	`↑ Shift` + `4`
Selecting and Editing Parts Jump to Rotate increment field	`Alt` + `R`
Selecting and Editing Parts Jump to Move increment field	`↑ Shift` + `2`
Selecting and Editing Parts Rotate about X axis	`Ctrl` + `T`
Selecting and Editing Parts Rotate about Y axis	`Ctrl` + `R`
Selecting and Editing Parts Toggle local / world coordinates	`Ctrl` + `L`
Selecting and Editing Parts Lock tool	`Alt` + `L`
Selecting and Editing Parts Union	`Ctrl` + `↑ Shift` + `G`
Selecting and Editing Parts Negate. Useful for making holes	`Ctrl` + `↑ Shift` + `N`
Selecting and Editing Parts Separate parts from a fused selection	`Ctrl` + `↑ Shift` + `U`
Scripting Indent	`⭾ Tab`
Scripting Unindent	`↑ Shift` + `⭾ Tab`
Scripting Find in script	`Ctrl` + `F`
Scripting Find next	`F3`
Scripting Find previous	`↑ Shift` + `F3`
Scripting Find in all scripts	`Ctrl` + `↑ Shift` + `F`
Scripting Find and replace	`Ctrl` + `H`
Scripting Zoom script in or out	`Ctrl` + `Mouse wheel up and down`
Scripting Reset script zoom	`Ctrl` + `0`
Scripting Step into	`F11`
Scripting Step out	`↑ Shift` + `F11`
Scripting Step over	`F10`
Scripting Expand all folds	`Ctrl` + `E`
Scripting Collapse all folds	`Ctrl` + `↑ Shift` + `E`
Scripting Toggle comment status	`Ctrl` + `↑ Shift` + `C`
Testing and Publishing Play / pause	`F5`
Testing and Publishing Stop	`↑ Shift` + `F5`
Testing and Publishing Play solo	`F6`
Testing and Publishing Start server and client	`F7`
Testing and Publishing Start client	`Alt` + `F7`
Testing and Publishing Publish to Roblox as...	`Alt` + `↑ Shift` + `P`
Testing and Publishing Publish to Roblox	`Alt` + `P`
Testing and Publishing Show stats data	`Ctrl` + `↑ Shift` + `F1`
Testing and Publishing Show render data	`Ctrl` + `↑ Shift` + `F2`
Testing and Publishing Show network data	`Ctrl` + `↑ Shift` + `F3`
Testing and Publishing Show physics data	`Ctrl` + `↑ Shift` + `F4`
Testing and Publishing Show summary data	`Ctrl` + `↑ Shift` + `F5`