The user must have the "Add activities" and "Manage assignees" permissions to be able to extend/reschedule a recurring activity.
You can extend a recurring activity so it has any number of occurrences, but you cannot extend it by more than 99 occurrences in a single extending operation.
Extending a recurring activity
- In Activity Center, hover on the recurring activity you would like to extend OR any of its occurrences and click Details.
- While on the activity details, click the More actions button (
)
- Click Repeat.
- Click Extend.
- Type an additional number of occurrences you would like to extend the activity by, e.g. 15 (max. 99). Beneath will be displayed the total of remaining occurrences.
- Click Extend.