The Microsoft Office Outlook is an excellent client for configuring all your email accounts on a single platform. But, when it does not connect to the server, it can be really annoying. There is a way that Outlook is in offline mode if your outlook 2007 cannot connect to server.
If you are using Outlook 2007, perform the following steps:
Click the File menu and click the checkbox next to the option Work Offline. If you see the option enabled, uncheck the Work Offline option.
If you are using Outlook 2010 and versions above, perform the following steps:
You can repair the installation of the Microsoft Office Outlook 2007. It helps in solving the common problems and helps in fixing the repair.
Follow the steps given below: