In case you want to share your campaign with others you have the option to copy the campaign code. 

Once you create a campaign, you have the possibility to share the code with anyone you want. To do so, you can click on the information button which will give you the Campaign Code:

You can copy the campaign code by clicking on the copy option: 

Once you do that you can send the code to the person you want, and now they can create the new campaign from the code.  

To create a campaign from code you need to go to the Campaign Management menu and select the option for Import Campaign from Code: 

You have to copy the code that was shared with you and click on Add: 

This will automatically create the new campaign, now you can go ahead and edit the campaign if needed.