Here, I have tried to give solution or troubleshooting steps for two versions of Outlook (2007 and 2010) when a user does not get reminders in the outlook. It becomes quite crucial when users miss important reminders regarding their meeting and becomes difficult for them to manager time at office if outlook reminders option does not work properly. This has been found out to be one of the most common scenarios reported by especially by the top level employees whose each and minute is very important and outlook calendar options need to work smoothly for them.Clean Reminders Outlook
Your Reminders folder may be damaged or contain corrupt items. To clear and regenerate your Reminders folder: If Outlook is open, quit the application. Press Win -R on the keyboard to open the 'Run' dialog box. In the 'Run' dialog box, type the following text in the 'Open' field: outlook /cleanreminders. Click OK or press Enter to exit the window. How to delete reminders that keep coming back. Either delete the corrput reminder from the reminder folder or delete the folder. Outlook will rebuild the rem.
Also See: Outlook calendar and task reminders do not pop up in outlook in 2003 and 2010