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1. click on the cog icon, then "Add-ons"
2. click on "Configure Attachments" in the left hand menu
   
3. You will land on the following page:
   
4. Click on "Add new attachment limit"

5. You will land on the following page:
   
   Image Modified
   
   

6. To create a new attachment choose a project from the drop down "Project Name" (NB: only projects without a configuration will be showed), fill the fields "Max Attachment Size", wit the desired max attachment size in bytes, and "Total Number of Attachments". 
   
   

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   If you defines -1 it means that there no limits 

   1. click on "Save"
      
      
      

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