How to Import Bulk Extensions

Creating bulk extensions is useful when Configuring your Phone System, this setup is very similar to the PBX in a Flash Bulk Extensions. To begin download the 3CX Bulk Extensions .csv file and start creating your extensions.

Creating the CSV

  • *If you are using Microsoft Office 2013, you may need to Format Cells so that the zeros are shown inside the cell.
  • If you are re-creating extensions that are already on the system, then the row will be skipped.
  • It is expected to see a error Line 1 due to the column headers, this message can be ignored.
  1. To begin: Click on the ExtensionsTab
  2. Next click on the Import ExtensionsTab, here we will select the CSV file we have just created.


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