BLOCK INDENT AND UNINDENT: SHIFT-CTRL-I and SHIFT-CTRL-U
You can indent a whole block of code at once by selecting that block and pressing SHIFT-CTRL-I. The whole block will indent by the “Block Indent” value in Editor Properties. Perfect for if you want to add begin and end around a large block of code!
If you decide you have indented too far, SHIFT-CTRL-U has the opposite effect.
As a side note, you can edit how much these shortcut keys indent by selecting Tools -> Editor Properties and changing the “Block indent” value.