how to delete BlackBerry calendar or Address Book entries. you can delete all calendar or Address Book entries on BlackBerry storm,bold,curve or pearl completely. sometimes when you sync data, you will got duplicate entries in your Calendar or Address Book on your BlackBerry. you can use BlackBerry Desktop Manager on your laptop  to delete the entire Calendar or Address Book database on your BlackBerry.  from BlackBerry Desktop Manager > Open Backup/Restore > Advanced, From Advanced screen. The left pain is what is going to be backed up from your BlackBerry phone and the right is a list of the currently existing databases > Highlight on the right side your Address Book database (or your Calendar database) and click the arrow in the middle pointing to the left. This will copy the information over and prepare it for back-up > Once the back-up has completed, click the Clear button at the bottom to delete and clean out the entire address book database (or Calendar database). > After it’s finished, it will ask you if you want to save the back-up you’ve created, select yes and check the device to make sure the address book (or calendar) has been properly cleared out. Now, resync the necessary contact information and you should be set to go. ( you had better make a good copy of your Calendar or Contacts , the way will complete delete ALL Calendar entries and/or Address Book entries on your BlackBerry)

you can use another way to delete BlackBery calendar from options > advanced options> service books, and deleting the calendar from there.

Tags: delete BlackBerry address book, delete BlackBerry calendar, delete BlackBerry calendar entries