If you need to view many columns in your calendar at the same time, you may want to switch on the "Calendar scroll" function which will increase the size of your calendar columns and initiate a scrolling function to allow you to move your calendar from side to side.
Circled below you'll see an example of two appointments appearing very close together. Click the "Ellipsis" in the top right hand corner of your appointment calendar and then select "Calendar options" as below:
A pop-up will appear which will allow you to tick the "Use wide calendar" option as below:
Once you click "Save" you will see your appointments more spread out as below and a scroll bar appear at the bottom of your appointment calendar as circled below: