Step thumbnail size down

`Ctrl` + `↑ Shift` + `-`

All hotkeys for Adobe Bridge CC

Slideshow or review mode Open in camera raw	`R`
General Flag	`P`
Slideshow or review mode Open	`O`
Slideshow or review mode Create collection and exit	`C`
View menu Full screen preview	`Space`
Edit menu Rotate 90° clockwise	`Ctrl` + `]`
Edit menu Rotate 90° counter clockwise	`Ctrl` + `[`
Edit menu Creative Suite color settings	`Ctrl` + `↑ Shift` + `K`
Edit menu Preferences	`Ctrl` + `K`
View menu Slideshow	`Ctrl` + `L`
View menu Slideshow options	`Ctrl` + `↑ Shift` + `L`
View menu Review mode	`Ctrl` + `B`
View menu Compact mode	`Ctrl` + `⤶ Enter`
View menu Show thumbnail only	`Ctrl` + `T`
Other most used shortcuts Refresh Contents panels	`F5`
Label menu No rating	`Ctrl` + `0`
Label menu Reject	`Alt` + `Del`
Label menu *	`Ctrl` + `1`
Label menu **	`Ctrl` + `2`
Label menu *******	`Ctrl` + `3`
Label menu ********	`Ctrl` + `4`
Label menu *****	`Ctrl` + `5`
Label menu Decrease rating	`Ctrl` + `<`
Label menu Increase rating	`Ctrl` + `>`
Label menu Select	`Ctrl` + `6`
Label menu Second	`Ctrl` + `7`
Label menu Approved	`Ctrl` + `8`
Label menu Review	`Ctrl` + `9`
Tools menu Batch rename	`Ctrl` + `↑ Shift` + `R`
Window menu New synchronised window	`Ctrl` + `Alt` + `N`
Window menu Essentials	`Ctrl` + `F1`
Window menu Filmstrip	`Ctrl` + `F2`
Window menu Metadata	`Ctrl` + `F3`
Window menu Output	`Ctrl` + `F4`
Window menu Keywords	`Ctrl` + `F5`
Window menu Preview	`Ctrl` + `F6`
Other most used shortcuts Zoom in with Loupe tool (multiple selections)	`Ctrl` + `+`
Other most used shortcuts Zoom out with Loupe tool (multiple selections)	`Ctrl` + `-`
Other most used shortcuts Zoom in with Loupe tool	`+`
Other most used shortcuts Zoom out with Loupe tool	`-`
Slideshow or review mode Exit review mode	`Esc`
Other most used shortcuts Display additional Loupes in Preview panel (multiple selection)	`Mouse left click`
Other most used shortcuts Move down a folder (in Folders panel or a row)	`↓`
Slideshow or review mode Previous or next item	`← →`
Slideshow or review mode Rotate 90° clockwise	`[`
Slideshow or review mode Rotate 90° counter clockwise	`]`
Slideshow or review mode … to <keybs>5</keybs>: Set rating	`1`
Slideshow or review mode … to <keybs>9</keybs>: Toggle label	`6`
Slideshow or review mode Reject	`Del`
Slideshow or review mode Clear rating	`0`
Slideshow or review mode Decrease rating	`<`
Slideshow or review mode Increase rating	`>`
Slideshow or review mode Open all in camera raw	`Alt` + `R`
Slideshow or review mode Open all	`Alt` + `O`
Stacks menu Group as stacks	`Ctrl` + `G`
Stacks menu Ungroup from stack	`Ctrl` + `↑ Shift` + `G`
Stacks menu Open or close stack	`Ctrl` + `← →`
Stacks menu Expand all stacks	`Ctrl` + `Alt` + `→`
Stacks menu Collapse all stacks	`Ctrl` + `Alt` + `←`
File menu New window	`Ctrl` + `N`
File menu New folder	`Ctrl` + `↑ Shift` + `N`
File menu Open	`Ctrl` + `O`
File menu Open in camera raw	`Ctrl` + `R`
File menu Close window	`Ctrl` + `W`
File menu Delete	`Ctrl` + `Del`
File menu Return to Adobe Photoshop	`Ctrl` + `Alt` + `O`
File menu File info	`Ctrl` + `I`
File menu Hide	`Ctrl` + `H`
File menu Exit / quit	`Ctrl` + `Q`
Other most used shortcuts Go to next view	`Ctrl` + `\`
Other most used shortcuts Go to previous view	`Ctrl` + `↑ Shift` + `\`
Other most used shortcuts Rename next (with filename selected in Content panel)	`⭾ Tab`
Other most used shortcuts Switch between 0- and 1-star rating	`Ctrl` + `‘`
Other most used shortcuts Step thumbnail size up	`Ctrl` + `↑ Shift` + `+`
Other most used shortcuts Step thumbnail size down	`Ctrl` + `↑ Shift` + `-`
Other most used shortcuts Move up a folder (in Folders panel or a row)	`↑`
Other most used shortcuts Move up a level (in Folders panel)	`Ctrl` + `↑`
Other most used shortcuts Move left one item	`←`
Other most used shortcuts Move right one item	`→`
Other most used shortcuts Move to the first item	`Home`
Other most used shortcuts Move to the last item	`End`
Other most used shortcuts Move multiple Loupe tools simultaneously	`Ctrl` + `Mouse left click`
Other most used shortcuts Add an item to the selection	`↑ Shift` + `← ↑ → ↓`
Other most used shortcuts Display Help	`F1`
Other most used shortcuts Rename previous (with filename selected in Content panel)	`↑ Shift` + `⭾ Tab`
Other most used shortcuts …to <keybs>5</keybs>: Show items with star rating of 1-5 or higher in Filter panel	`Ctrl` + `Alt` + `1`
Other most used shortcuts …to <keybs>5</keybs>: Show items with selected star rating in Filter panel	`Ctrl` + `Alt` + `↑ Shift` + `1`
Other most used shortcuts …to <keybs>9</keybs>: Show items with labels 1-4 in Filter panel	`Ctrl` + `Alt` + `6`
Other most used shortcuts Apply or remove current keyword and all parent keywords in Keywords panel	`↑ Shift` + `Mouse left click`
Other most used shortcuts Clear filters	`Ctrl` + `Alt` + `A`
Other most used shortcuts Forcibly remove current keyword in Keywords panel	`Alt` + `Mouse left click`
Other most used shortcuts Move Loupe tool	`Mouse movement`
Other most used shortcuts Move multiple Loupe tools simultaneously	`Ctrl` + `Mouse movement`
Other most used shortcuts Open disclosure triangle in Keywords panel	`Ctrl` + `→`
Other most used shortcuts Close disclosure triangle in Keywords panel	`Ctrl` + `←`