The following hotkeys are available:

ctrl+A:Select all

ctrl+B:Bold (if the corresponding button is configured in the toolbar of the RTE)

ctrl+I:Italic (if the corresponding button is configured in the toolbar of the RTE)

ctrl+U:Underline (if the corresponding button is configured in the toolbar of the RTE)

ctrl+S:Strike Through (if the corresponding button is configured in the toolbar of the RTE)

ctrl+L:Justify Left (if the corresponding button is configured in the toolbar of the RTE)

ctrl+E:Justify Center (if the corresponding button is configured in the toolbar of the RTE)

ctrl+R:Justify Right (if the corresponding button is configured in the toolbar of the RTE)

ctrl+J:Justify Full (if the corresponding button is configured in the toolbar of the RTE)

ctrl+Z:Undo (if the corresponding button is configured in the toolbar of the RTE)

ctrl+Y:Redo (if the corresponding button is configured in the toolbar of the RTE)

ctrl+X:Cut

ctrl+C:Copy

ctrl+V:Paste

ctrl+N:Format Block as Paragraph (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+0:Clean Word

ctrl+1:Format Block as Heading 1 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+2:Format Block as Heading 2 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+3:Format Block as Heading 3 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+4:Format Block as Heading 4 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+5:Format Block as Heading 5 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+6:Format Block as Heading 6 (if the corresponding select box is configured in the toolbar of the RTE)

ctrl+space:Insert a non-breaking space