Below are some potential fixes if your Outlook Email application refuses to launch.
Fix 1) Windows Key + R and type outlook.exe /resetnavpane into the box and press okay.
Fix 2) Disable Add-Ins
Press Windows Key + R together. Type Outlook /safe into the box, Press OK
Now Click Options and tick 'Set as Default Profile' if you see your Profile in the Profile Name Box (If there is no Profile to choose then click the New.. button and Create a new Profile before proceeding!)
Now we need to Remove all Add-ins (Found in Options under the File Menu in Outlook).
Fix 4) Remove all Profiles (you will have to setup your Email Account again! Make sure you know your password and setup information if needed)
Remove all Profiles using http://support.micro...b/2752583/en-us
If Outlook now starts, Create a New Profile
Once you've fully setup your Account, close Outlook and try and relaunch to see if the issue is resolved.
Press Windows Key + R
Type in Regedit
Navigate to HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles and delete all profiles here.
Fix 5) Chkdsk
Press Windows Key + X together
Click Command Promt (Admin)
Type in chkdsk c: /f and press enter
It will ask you if you wish to schedule the computer to perform this task on next restart. Press Y (for yes) and then restart your computer. Try and launch Outlook.
It is worth noting that some software is known to conflict with Outlook such as Abby Fine Reader. Uninstall this software if you have it and the above fixes haven't worked!