Internet Explorer 7.0 settings to remove offline contents, deleting history, previous login entry, saved ids and passwords:

1- Run Internet Explorer 7.0
2- Go to Tool menu → Internet Options → General (tab) → Browsing History → Click Delete button → Select Delete All.
When you click Delete All, a dialog box will appear on screen showing:
Are you sure you want to delete all Internet Explorers browsing history?
[] Also delete files and settings stored by add-ons.
Click the check box and then click Yes.
3- Go to Content Tab → AutoComplete → Settings. Here remove checks in the following options:
[ ] User names and passwords on forms
[ ] Prompt me to save passwords
Just remove checks i.e. right symbol by clicking in the check box.
Click OK.