Adding a Password to Office 2003 Files

• 1). Click "Start" from the task bar and then select "All Programs."
  
  
• 2). Select "Microsoft Office" from the list and then choose the program you desire.
  
  
• 3). Open the document(s) in which you want to add a password from the "File" menu.
  
  
• 4). Click "File," Save As," "Tools" and then "General Options."
  
  
• 5). Select the level of protection you desire. For example, if you want to prevent file opening, type a password into the "Password to open" option. If you want to prevent changes to the document, type a password into the "Password to modify" area.
  
  
• 6). Re-enter the password into the appropriate box for the option that you chose and then click "OK."
  
  

Adding a Password to Office 2007/2010

• 1). Click "Start" from the task bar and then select "All Programs."
  
  
• 2). Select "Microsoft Office" from the list and then choose the appropriate program.
  
  
• 3). Open the document(s) you want protected from the "File" menu.
  
  
• 4). Click "File" and then choose "Info."
  
  
• 5). Click "Protect Document" and then choose "Encrypt with Password."
  
  
• 6). Type a password into the box and click "OK." Re-enter the password into the password confirmation box and click "OK."