How to: Update an index or indices in a master document.
Solution:
Update selected indices by using the Index and Tables option from the Insert menu and click the 'Index' tab. Update all fields (Including indices) by pressing F9.
Do one of the following:
1) To update the selected indices:
a) Select the 'Insert' menu. and select 'Index and Tables...'.
b) Click 'Index' tab.
c) Click 'OK'. (A prompt will appear asking to replace the existing index.)
d) Click 'Yes'.
2) Press F9.
NOTE: This will update ALL FIELDS in a document.
