There are a number of causes of Outlook Not Working in iPhone Issues that can be fixed and there is a simple and easy way to do it.
There are times when a person sends an important email to someone else and they have both Macs or PCs because they are working on the same network. Sometimes a user will go into the Control Panel on their PC and they are not able to open the email if they have had problems with Outlook. There are certain files and folders in the Windows Network that are required to be opened on all the new devices that are connected.
If your email program does not recognize one of these paths, then it will not open. One of the best ways to fix this problem is to first download an updated version of Outlook and then put your computer's security settings like antivirus, firewall and antispyware in full mode. You should also close all other programs that you are not using as this can cause some confusion in the Outlook program. You should also restart your computer and then open Outlook, if it does not work there is a problem somewhere in your computer.