Microsoft Outlook Won't Open

You have Microsoft Outlook configured with your web mail (Yahoo, Gmail, Comcast), but due to some problems which might be a Microsoft Outlook problem your outlook is not working. There can be various reasons for Microsoft Outlook is not responding or opening, you can access it by executing a few simple steps. A lagging or inaccessible Outlook is a typical problem for most users. Usually the inaccessibility of Outlook stems from a corrupt or damaged application file; certain files prevent Outlook from opening. Fortunately, fix an Microsoft outlook problems doesn't require much work or knowledge.

End Process

Step1: Press the Shift, Ctrl and Esc keys to open the Windows Task Manager.

Step2: After opening the windows task manager, open the "Processes" tab. Rummage the processes list to see if the Microsoft Outlook process is running. If it is, click the process.

Delete OUTCMD.DAT

Step1: press the F key plus the Windows key to open the Windows search box.

Step2: In search box, type "OUTCMD.DAT" and press enter.

Step3: Right click the "OUTCMD.DAT" file. Click "Delete." Open and empty the Recycle Bin. Reboot your computer.
If you lost your Microsoft outlook data after system crash and you want to recover this data  then follow this article which will help you to recover your data. How to Recover Microsoft Outlook After a Crash