Delete to start of word

`Ctrl` + `Backspace`

All hotkeys for Beyond Compare (Windows)

Session Menu New tab	`Ctrl` + `T`
Session Menu Open session	`Ctrl` + `Shift` + `T`
Session Menu Save session	`Ctrl` + `Shift` + `S`
Session Menu Clear session	`Ctrl` + `Shift` + `C`
Session Menu Close tab	`Ctrl` + `W` , `Ctrl` + `F4`
Session Menu Swap sides	`Ctrl` + `U`
Session Menu Reload files	`F5`
Session Menu Recompare files	`Ctrl` + `F5`
Session Menu Back	`Alt` + `Left`
Session Menu Forward	`Alt` + `Right`
Session Menu Info	`Ctrl` + `I`
Session Menu Exit	`Ctrl` + `Q`
File Menu Open file...	`Ctrl` + `O`
File Menu Open clipboard	`Ctrl` + `Shift` + `V`
File Menu Save file	`Ctrl` + `S`
File Menu Save file as...	`F12`
Actions Menu Compare to...	`F7`
Actions Menu Align with...	`F6`
Actions Menu Copy to left...	`Ctrl` + `L`
Actions Menu Copy to right...	`Ctrl` + `R`
Actions Menu Rename	`F2`
Actions Menu New folder...	`Insert`
Actions Menu Refresh selection	`Shift` + `F5`
Actions Menu Synchronize - Mirror to right...	`Ctrl` + `Shift` + `R`
Actions Menu Synchronize - Mirror to left...	`Ctrl` + `Shift` + `L`
Edit Menu Undo	`Ctrl` + `Z`
Edit Menu Redo	`Ctrl` + `Y`
Edit Menu Align with...	`F7`
Edit Menu Copy to left	`Ctrl` + `L`
Edit Menu Copy to right	`Ctrl` + `R`
Edit Menu Copy line to left	`Ctrl` + `Shift` + `L`
Edit Menu Copy line to right	`Ctrl` + `Shift` + `R`
Edit Menu Increase indent	`Ctrl` + `Shift` + `I`
Edit Menu Decrease indent	`Ctrl` + `Shift` + `U`
Edit Menu Delete	`Delete`
Edit Menu Delete to start of word	`Ctrl` + `Backspace`
Edit Menu Delete to start of line	`Ctrl` + `Shift` + `Backspace`
Edit Menu Delete to end of word	`Ctrl` + `Delete`
Edit Menu Delete to end of line	`Ctrl` + `Shift` + `Delete`
Edit Menu Cut	`Ctrl` + `X`
Edit Menu Copy	`Ctrl` + `C`
Edit Menu Paste	`Ctrl` + `V`
Edit Menu Select all	`Ctrl` + `A`
Edit Menu Select all files	`Ctrl` + `Shift` + `A`
Edit Menu Select section	`Ctrl` + `D`
Edit Menu Refresh	`F5`
Edit Menu Full refresh	`Ctrl` + `F5`
Edit Menu Full edit (toggle)	`F2`
Edit Menu - Text Merge Take left	`Ctrl` + `L`
Edit Menu - Text Merge Take right	`Ctrl` + `R`
Edit Menu - Text Merge Take left then right	`Ctrl` + `B`
Edit Menu - Text Merge Take right then left	`Ctrl` + `Shift` + `B`
Edit Menu - Text Merge Take left line	`Ctrl` + `Shift` + `L`
Edit Menu - Text Merge Take right line	`Ctrl` + `Shift` + `R`
Edit Menu - Data Compare Insert	`Insert`
Edit Menu - Data Compare Edit	`F2`
Edit Menu - Registry Compare New value	`Insert`
Edit Menu - Registry Compare Rename	`F2`
Search Menu Copy line to right and open next difference	`Ctrl` + `Alt` + `R`
Search Menu Copy line to left and open next difference	`Ctrl` + `Alt` + `L`
Search Menu Find...	`Ctrl` + `F`
Search Menu Replace...	`Ctrl` + `H`
Search Menu Find next	`F3`
Search Menu Find previous	`Shift` + `F3`
Search Menu Go to...	`Ctrl` + `G`
Search Menu Toggle bookmark - Bookmark 0..9	`Ctrl` + `Shift` + `0` .. `9`
Search Menu Go to bookmark - Bookmark 0..9	`Ctrl` + `0` .. `9`
Search Menu - Folder Compare Next difference	`Ctrl` + `N`
Search Menu - Folder Compare Previous difference	`Ctrl` + `P`
Search Menu - Folder Compare Next difference files	`Ctrl` + `M`
Search Menu - Folder Compare Previous difference files	`Ctrl` + `Shift` + `M`
Search Menu - Folder Compare Find filename...	`Ctrl` + `F`
Search Menu - Folder Compare Find next filename	`F3`
Search Menu - Folder Compare Find previous filename	`Shift` + `F3`
Search Menu - Folder Sync Next conflict	`Ctrl` + `N`
Search Menu - Folder Sync Previous conflict	`Ctrl` + `P`
Search Menu - Folder Sync Find filename...	`Ctrl` + `F`
Search Menu - Folder Sync Find next filename	`F3`
Search Menu - Folder Sync Find previous filename	`Shift` + `F3`
Search Menu - Text Compare Next difference	`Ctrl` + `Shift` + `N`
Search Menu - Text Compare Previous difference	`Ctrl` + `Shift` + `P`
Search Menu - Text Compare Next difference section	`Ctrl` + `N`
Search Menu - Text Compare Previous difference section	`Ctrl` + `P`
Search Menu - Text Compare Next replacement	`Ctrl` + `Alt` + `Shift` + `N`
Search Menu - Text Compare Previous replacement	`Ctrl` + `Alt` + `Shift` + `P`
Search Menu - Text Merge Next conflict section	`Alt` + `N`
Search Menu - Text Merge Previous conflict section	`Alt` + `P`
Search Menu - Text Merge Next difference	`Ctrl` + `Shift` + `N`
Search Menu - Text Merge Previous difference	`Ctrl` + `Shift` + `P`
Search Menu - Text Merge Next difference section	`Ctrl` + `N`
Search Menu - Text Merge Previous difference section	`Ctrl` + `P`
Search Menu - Data Compare Next difference row	`Ctrl` + `N`
Search Menu - Data Compare Previous difference row	`Ctrl` + `P`
Search Menu - Hex Compare Next difference bytes	`Ctrl` + `N`
Search Menu - Hex Compare Previous difference bytes	`Ctrl` + `P`
Search Menu - MP3 Compare, Version Compare Next difference item	`Ctrl` + `N`
Search Menu - MP3 Compare, Version Compare Previous difference item	`Ctrl` + `P`
View Menu Legend	`Ctrl` + `Alt` + `L`
Tools Menu Tweaks...	`Ctrl` + `Shift` + `T`
Misc. Session - Home	`Alt` + `Home`
Misc. Go next	`F6`
Misc. Go prev	`Shift` + `F6`
Misc. Data Compare - Next existing row	`Alt` + `Down`
Misc. Data Compare - Previous existing row	`Alt` + `Up`
Misc. Next tab	`Ctrl` + `Tab`
Misc. Previous tab	`Ctrl` + `Shift` + `Tab`
Misc. Close tab (except Folder Compare and Folder Sync)	`Escape`