Options.TabIndentKey Property (Word)
True if the TAB and BACKSPACE keys can be used to increase and decrease, respectively, the left indent of paragraphs and if the BACKSPACE key can be used to change right-aligned paragraphs to centered paragraphs and centered paragraphs to left-aligned paragraphs. Read/write Boolean .
expression Required. A variable that represents an 'Options' collection.
This example sets Word so that the TAB and BACKSPACE keys set the left indent instead of inserting and deleting tabs.
Options.TabIndentKey = True