If you drag and drop a recurring appointment, you will be prompted to choose how the update should be applied.
Choose how to apply the change
When moving a recurring appointment, you will see the following options:
Update only the selected appointment
Update the selected appointment and all following appointments in the series
This allows you to make a one-time adjustment or update the entire series moving forward, depending on your needs.
Be sure to select the option that best fits your intended change before confirming.