1. Click on Job Costing in the right hand side menu
2. Click on Dashboard
3. Search for the Job where you want to add the attachments
If you want more information about how to use the search option, click here
4. Click on the black arrow on the job
5. Scroll down to the bottom of the page
6. Click on + Add Attachments
7. Click on Drag & Drop Files Here…
Select the file from your device and wait for it to upload