You cannot add or delete rows here. These are GL Account types that are used to setup GL Accounts for creating an upload file for your financial system.

To Sort, click on the headings. To sort by GL Account type, click on the GL Account type heading and the data will be sorted by GL Account type in ascending order. Clicking on the GL Account type again will sort the data in descending order. This can be done for any column by clicking on the heading.

Clicking on the Sort toolbar button gives you the option to sort by multiple columns at once.