Outlook Today page is blank: FIXED! #

The Outlook Today page has been a trouble-spot for years. One of the most oft-reported problems is it appearing blank:

https://www.google.com/#q=outlook+today+blank

Not a single working solution could be found (short of creating a new Windows user account), nor was a tier 2 Microsoft support rep able to help resolve the issue.

Google and Microsoft having failed me, I was finally forced to stir my stumps.

(Very) long story short, deleting "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer" restored Outlook Today to its former glory.

Posted to the Microsoft Community for good measure. May the suffering cease!

UPDATE 1:

With a bit more experimenting, I found that simply deleting the OUTLOOK.EXE name value (or changing its value data as explained below) in HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION restored Outlook Today.

FEATURE_BROWSER_EMULATION "defines the default emulation mode for Internet Explorer". The value data of OUTLOOK.EXE was 2af8, which corresponds to IE 11. Changing it to 22b8 (which corresponds to IE 8) resolved the empty Outlook Today page as well. Here is the list of values from Microsoft for posterity:

11001 (0x2AF9) - Internet Explorer 11. Webpages are displayed in IE11 edge mode, regardless of the declared !DOCTYPE directive. Failing to declare a !DOCTYPE directive causes the page to load in Quirks.

11000 (0x2AF8) - IE11. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 edge mode. Default value for IE11.

10001 (0x2711) - Internet Explorer 10. Webpages are displayed in IE10 Standards mode, regardless of the !DOCTYPE directive.

10000 (0x02710) - Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode. Default value for Internet Explorer 10.

9999 (0x270F) - Windows Internet Explorer 9. Webpages are displayed in IE9 Standards mode, regardless of the declared !DOCTYPE directive. Failing to declare a !DOCTYPE directive causes the page to load in Quirks.

9000 (0x2328) - Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode. Default value for Internet Explorer 9. Important: In Internet Explorer 10, Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.

8888 (0x22B8) - Webpages are displayed in IE8 Standards mode, regardless of the declared !DOCTYPE directive. Failing to declare a !DOCTYPE directive causes the page to load in Quirks.

8000 (0x1F40) - Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode. Default value for Internet Explorer 8. Important: In Internet Explorer 10, Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.

7000 (0x1B58) - Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode. Default value for applications hosting the WebBrowser Control.

UPDATE 2: Microsoft has posted this solution as a KB article: Outlook Today displays no information under section headings

/windows | Sep 11, 2015

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