To delete a pane configuration
You can delete only those pane configurations that you have created, and you cannot delete the default System configuration.
1. Right-click the tab pane anywhere, including the column headers, and on the context menu that opens, click Load Columns.
A sub-menu opens that displays up to three options: Manually, Compact, and all the available configurations for the pane. The name of the user who created each configuration displayed next to the configuration.
2. Click Manually.
The Select Columns dialog box opens.
3. Click Load Configuration.
The Load Configuration dialog box. The dialog box displays all your private and public configurations as well as all the configurations that other users have made public.
4. Right-click the configuration that you are deleting, and on the context menu that opens, click Delete Column Configuration.
The Column Configuration is deleted.
 
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If you select a configuration that you did not create, then the Delete Column Configuration option is not available on the context menu.
5. Click Close (x) to close the Load Configuration dialog box.
6. Click OK to close the Select Columns dialog box.