I could password protect all the worksheets in the Weekly Tracker. This is the only way I know how to protect a cell or group of cells having TSPTalk or its logo from being altered. This would make all worksheets read only and thus disallow any changes. It also requires more effort for the tracker because each worksheet (about 100) in the weekly tracker must be individually password protected. I tried to password protect all worksheets as a group, but Excel 2000 does not permit worksheet protection when more than one worksheet is selected. The Excel workbook protection feature is insufficient to protect data.
Adding worksheet protection also creates more effort when updating the data each week because the password would have to be entered to unlock the worksheet, then entered again to lock it once the IFT data is entered. There are about 10 to 20 IFT moves each trading day.