I am using Windows 7 and Excel 2010, I would say I am a 7-8 level of proficiency in Excel. I have a business degree and use Excel very often. I have tried this on 3 different computers. Here is my question:

I have a text file of 100 randomly generated usernames and passwords to a popular email site. I use this for my business. When I try and use one of these password/username combos to login to the email account via copy/paste from a Word or .txt document, it works fine. However when I transfer this external data from that same .txt file into an Excel CSV and then try to copy/paste the password into the login screen, it will not work. Does that make sense? I can look at the password within excel and manually type it into the login screen exactly as I see it with no problem whatsoever. I have removed any and all formatting that may exist. The password physically appears the exact same. However when I copy/paste from the Excel file into the password box, I see the dots pop up, showing me that the password transferred, however when I click "login" it says the password is wrong. So I know that all the passwords are correct because I can manually type them in. And I know that it isn't merely a copy/paste problem because I can copy/paste them from Word or anywhere else with no problem. I've tried this using both Excel 2010 and 2007 and same result. Please help!