When using Microsoft Excel, you may see this message. “The file you are trying to open, ‘PassFile.XLS’ is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?”

This file is a tab delimited file that has the XLS file extension to open easily in your spreadsheet software. It is safe to click yes. Remember, you cannot modify this file. See the record keeping tutorial in the RLS Course Manager.