This plugin allows you to bulk set products as out-of-stock by either Tag or Category, via a very simple
menu in the backend of your wordpress installation. Tags and product categories available are being
automatically detected from which admins can select.
Please read plugin configuration details here: https://devwell.de/out-of-stock-by-tag/#configuration
For more detailed explanation look at https://devwell.de/out-of-stock-by-tag/
If you want to checkout more about devwell check Devwell