To show the .000001 value in TDP:
Select Options | Environment | Grid | Number tab, check "Custom" and input "0.00000".
To show the .000001 value in an exported file:
1) In the Export Wizard, on the Select Columns page, click the ellipsis button in the format field on the right hand side for the column you want to format.
2) Check "Custom" and input "0.00000".
3) Continue with export.