1. Go to Manage > Project.
  2. Open the project where locating the to-be-tagged entry.
  3. To edit tags of an entry:
    1. Either double click the section of tags on the entry heading
    2. Or click on the pencil icon to the top right corner of this section
  4. To add a tag:
    1. Either select a tag from the list titled All tags
    2. Or type a tag name into the cell
    3. The change will be saved automatically.
  5. Click X at the top right corner of the editing box to exit.