Microsoft office is worldwide application which used by several kind of business man for management of database and details. Now this facility has been updated for online also. You can access your office anywhere by the help of your Microsoft email id and password. This is the key to access your office 365 online.
Sometime office login error occur if. So fix it self because it may be little. If unable to solve it. So contact to the support team of Microsoft . Microsoft customer care is available for help anytime.