How can we override view field template in drupal 8 How can we override single field from Views template files 'views-view-field.html.twig' from location themes/theme-name/templates/views/views-view-field.html.twig.
There is a detailed answer in this Q: Overriding views-view-field.html.twig for specific fields.

You can simply use views-view-field--fieldname.html.twig. Of course, don't forget to clear your cache after creating the new template.