Hi TCHelen,
Welcome to QuickBooks Communtity. QuickBooks can help you complete accounting tasks and manage your business. It is essential to keep chart of accounts simple and organized. In QuickBooks, you can use these accounts to categorize transactions on everything.
To open chart of accounts in QuickBooks Deskop, you can select the Company, Lists, or Accountant menu and then Chart of accounts.
To add or edit an account, you can refer this link https://quickbooks.intuit.com/learn-support/en-ca/chart-of-accounts/create-edit-or-delete-account-in...
I hope it helps. If you have more questions related to QuickBooks, don't hesitate to reach out to us.