An Outlook 2007 user asks: “I have the weirdest problem. When I create an All Day Event, I can see it in the Month view, but not in Week or Day (nothing is in the top area except a downward pointing arrow, and clicking on the down arrow just brings up a new blank appointment form). However, I've just noticed that if I'm not Maximized, the events show up in all three views! I'm currently running my monitor at 1680×1050 (don't know if this is the problem). This is driving me nuts – any advice on what I can do to see the events when the program view is Maximized?”
It’s a bug. Well, maybe not a real bug since its caused by a corrupt view, but its easily fixed when you close Outlook and restart it using the /cleanviews switch.
To use: Close Outlook. Use Windows key + R to open the Run command and type or paste
outlook.exe /cleanviewsin the field then press Enter to restart Outlook.
See this bug in action at Disappearing All Day Events
Published May 29, 2008. Last updated on January 3, 2012.