Go to Settings > Groups > Tag Types

Select Add Tag Type > Enter a name for your Tag Type

Select Add Tag Type

Go to Settings > Groups > All Tags > +Add.

Select a Tag Type you'd like to associate with your Tag

Enter the values for your Tags. You can enter one or multiple at once

Select Add

Go to the Contacts, Companies, or Coworker pages

Select the Column Picker icon > Groups > Select your Tag Type from the list. You can drag and drop to where you'd like it to appear in your Grid View.

Select the icon next to a record to apply one or multiple tags

Select the from this menu to remove the tag

Select the checkbox next to the records you want to tag > select Update > Add Tag Values > select the Tags you want to apply

Select the from this menu to remove the tag

See Importing CSV Files with Custom Tags (Values) for more info on bulk tagging

Settings > Groups > All Tags

Select the checkbox next to the Tag(s) you want to delete > Update > Delete Values

Deleting a Tag will remove it from records it was applied to

Settings > Groups > Tag Types

Select the checkbox next to the Tag(s) you want to delete > Update > Delete Values

If a Tag Type is associated with a Tags, you need to delete the Tags first.