Assigning a category
You can use categories to quickly identify related emails and calendar entries by assigning different colours and names to them. For example, if you have access to a generic mailbox, you can set up a category for each person who accesses that mailbox and use the categories to show who is dealing with a particular email or emails
In calendar, you can use categories to colour code appointments or meetings relating to a certain topic, like team meetings or clinics
Click Mail in the navigation bar at the top right of the screen
Right click on the email you want to categorise and select categorize from the drop down list
Click on the category you want to assign to the email and a coloured box will appear to the right of the email in the list of emails
Removing a categorisation
Right click on the email, select categorize and click the same category again to deselect it
Deleting an existing category
Click Mail in the navigation bar at the top right of the screen
Right click on the email you want to categorise and select categorize from the drop down list
Select Manage categories
Select the category you want to delete and click the cross icon to the right of the category name and click ok
Changing the colour of an existing category
Right click on the email you want to categorise and select categorize from the drop down list
Select Manage categories
Select a category, click the downward arrow to the left of the coloured box and select a colour
Creating a new category
Click Mail in the navigation bar at the top right of the screen
Right click on the email you want to categorise, select categorize from the drop down list and select Manage categories
Click Add new category located at the bottom of the window that appears on screen
Type the name of your new category into the text field
Click the downward arrow to the left of the text box and select a colour from the drop down list
When you have finished creating the category click ok at the bottom of the window
Searching for a category
Enter category:<category name> in the search bar at the top of the screen and click the 
Click on the x icon in the search bar to return to your inbox
