TabIndentKey Property
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.TabIndentKey
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example sets Word so that the TAB and BACKSPACE keys set the left indent instead of inserting and deleting tabs.
Options.TabIndentKey = True