Configure the custom templates
■ Set up the space and page to save custome templates
• Go to Atlassian Marketplace > Polaris spreadsheet for Confluence.
• Set up the space and page that you would like to save custom templates from drop down list.
■ Delete custom templates
• Go to Space > Page > Attachments set by Admin to delete custom templates.
• Delete the templates by clicking Delete. Please try Attachments Manager for Confluence to delete various attachments at once.