How to use tags
Sharing passwords using groups is already possible in passbolt and can help organise the passwords. It is often not enough for small teams or users with a lot of passwords, who often need another way to organise their data.
How are tags different than categories?
The major difference between categories and tags is that, in most systems using folders, a given item only belongs to one folder. Inversely, when tagging, one item can be linked to many tags. Also while it is possible to have a hierarchical tag structure it is also less common.
User experience and use cases
You will find tags in the passwords workspace: