You can manage your existing Master templates including editing, disabling, disabling selection and deleting them.
When you disable a Master template it will no longer be used. Any templates using the Master template will use the next available template. This will either be the Master template which has been set as default of your theme template.
When you disable selection of a Master template it will no longer appear as an option to select on Content and View templates but it will continue to be used by templates where it was previously selected. Disable selection allows you to depreciate a template without it breaking instances where it's used currently.
When you delete a Master template it will permanently remove the files and configuration. Any templates using the Master template will use the next available template. This will either be the Master template which has been set as the default of your theme template.
You can select a Master template to be the default template used by your website. When set as default all content entities and other entities including login, search results, default 404 and 403 pages etc will use the Master template. This is useful for providing a Master template for these non content entities.
The only exceptions where the Master template will not be used is if you have selected a more specific Master template to be used by a Content template or you have manually coded logic into your theme to use a different Master template.
To set a Master template as the default:
You can export a master template to use on another website.
You can lock a master template to prevent it being overwritten when a package file containing a master template with the same machine name is imported.
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Mon Aug 18 2025 15:01:41 GMT+0000 (Coordinated Universal Time)