Merged PR 4278: Merge wdav-asr-updates to master

Update ASR to limit Office block rules to productivity apps only

windows/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard.md

@@ -21,7 +21,12 @@ ms.date: 08/25/2017
 
 **Applies to:**
 
-- Windows 10, version 1709 
+- Windows 10, version 1709 (and later)
+- Microsoft Office 365
+- Microsoft Office 2016
+- Microsoft Office 2013
+- Microsoft Office 2010
+
 
 
 
@@ -47,7 +52,7 @@ The feature is comprised of a number of rules, each of which target specific beh
 
 - Executable files and scripts used in Office apps or web mail that attempt to download or run files
 - Scripts that are obfuscated or otherwise suspicious
-- Behaviors that apps undertake that are not usually inititated during normal day-to-day work
+- Behaviors that apps undertake that are not usually initiated during normal day-to-day work
 
 See the [Attack surface reduction rules](#attack-surface-reduction-rules) section in this topic for more information on each rule.
 
@@ -69,6 +74,15 @@ Block JavaScript or VBScript from launching downloaded executable content | D3E0
 Block execution of potentially obfuscated scripts  | 5BEB7EFE-FD9A-4556-801D-275E5FFC04CC
 Block Win32 API calls from Office macro | 92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B
 
+The rules apply to the following Office apps running on Windows 10, version 1709. See the **Applies to** section at the start of this topic for a list of supported Office version.
+
+Supported Office apps:
+- Microsoft Word
+- Microsoft Excel
+- Microsoft PowerPoint
+- Microsoft OneNote
+
+The rules do not apply to any other Office apps.
 
 ### Rule: Block executable content from email client and webmail