Matter tags allow you to add custom properties to your matters and filter your matters (in the matter list) by those properties.

Each tag has a label and can also have an optional value as well - i.e. [tag label] : [tag value (optional)].

Open a matter.

Click on 'Summary' in the left hand matter options.

Scroll to the bottom where you'll see the 'Tags' box.

Here you'll see any tags that have been added to the matter.

You can add a tag by clicking in the 'Add a tag' field. You'll see a drop down list of recently used tags that you can choose from, or you can keep typing and have the option to 'create' a new tag.

After adding the tag you'll have the option to add a value to the tag. Note that afterwards, you can edit this value by clicking on the tag.

You'll notice when you hover over any matter in the matter list, it may expand to show the tags on that matter.

At the top of the matter list you'll find the option to filter by these tags.

Click on 'Tags'. You'll be shown a list of recently used matter tags. You can start typing to search the list. Select the tag you want to filter by.

You'll get to select from the following options: