You can either rename your Tags, delete Tag or also megre Tags. 

To Do this, just proceed as follows: 

• Rename Tags:
  'Menu' > 'Manage' (or click on the dropdwon besides your Outbank ID) > 'Tag Management' > 'Double-click on the tag' > 'enter the new name'
• Merge Tags: 
  'Menu' > 'Manage' (or click on the dropdwon besides your Outbank ID) > 'Tag Management' >'hold cmd an select the tags you want to merge' > 'Merge' '> 'choose the tag, you want to keep'
• Delete Tags:
  'Menu' > 'Manage' (or click on the dropdwon besides your Outbank ID) > 'Tag Management' >'hold cmd an select the tag(s) you want to delete' > 'Delete'