Click Devices > Access Gateways > Edit > [Name of Reverse Proxy] > [Name of Proxy Service] > HTML Rewriting.
Click New in the HTML Rewriter Profile List.
Configure a Word profile:
Specify a name for the profile, select Word as the search boundary, then click OK.
Click New in the Variable or Attribute Name to Search for Is section, then specify Variable or Attribute Name.
Click OK.
Select Rewrite Inbound Query String Data.
Select Rewrite Inbound Post Data.
Select Rewrite Inbound Headers.
Ensure that Enable Rewrite Actions remains selected.
(Optional) If you have configured the path-based multi-homing service, do the following:
Add the following content types for the And Document Content-Type Header Is option in the Word profile:
text/x-component
extension/htc
Configure the following options for Strings to Search for Is:
Specify Search as /exchange and Replace With as $path/exchange
Specify Search as /exchweb and Replace With as $path/exchweb
To save your changes to the browser cache, click OK.
Use the up-arrow button to move your profile to the top of the HTML Rewriter Profile List.
To apply your changes, click the Access Gateways link, then click Update > OK.