Sitebulb has a range of 'global settings' which act as the default settings for every new audit you start. From the top navigation menu, choose the 'Settings' option.
From here the sheets tab allows you to customise how Google Sheets will look visually when exported.
Here are some key features that you can preset globally:
Append domain name and/or finish date to the Sheet title
Select a different font
Pick a hex colour for the border
Freeze the header row and/or the first column
Pick a hex colour for the header row background colour and font colour, and bold the header row text
Pick hex colours for alternating rows