Wiley QuickBooks 2011 All-in-One For Dummies 978-0-470-64650-2 Manuel D’Utilisation

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978-0-470-64650-2
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446
Keeping Your Data Confidential
I don’t describe how Windows-level security works in this book. If you are 
already employing Windows-level security, you (or someone in your office) 
know how to use that tool to prevent unauthorized access to (or the use of) 
program files and data files. To use Windows-level security for QuickBooks, 
you can simply apply your existing general knowledge to the QuickBooks 
program file or the QuickBooks data file.
If you aren’t already using the Windows-level security, you don’t need to go 
to the trouble of learning Windows’ complicated security system. You can 
use the simpler QuickBooks security.
Using QuickBooks security
You can protect the confidentiality of your QuickBooks data by assigning 
a password to a QuickBooks company data file. You can do this during the 
QuickBooks setup process. You can also set up a password by choosing the 
Company
➪Set Up Users And Passwords➪ Change Your Password command. 
When you choose this command, QuickBooks displays the Change Password 
dialog box, which (I’m not kidding) QuickBooks doesn’t want people to take 
a picture of, for security reasons. To set up a password, you simply enter 
the same password into both the New Password text box and the Confirm 
New Password text box. Note that your password is associated with the 
username Admin (which stands for administrator). Leave the Enter Old 
Password box empty. If you haven’t yet set up a password, you don’t have 
an old password.
 
Obviously, you want to set your password so that no one (not even a com-
puter) can possibly guess it. This means that your password shouldn’t be a 
word in a dictionary. Your password also shouldn’t be a number. And your 
password especially shouldn’t be a word, phrase, or name that some co-
worker can easily figure out. The best passwords (from a security point of 
view) are nonsensical combinations of letters and numbers, such as f34t5s or 
s3df43x2.
After you set your password, you should periodically change it. To change 
your password, you also choose the Company menu’s Change Your 
Password command. QuickBooks again displays the Change Password 
dialog box. This time you must enter your old password into the Enter Old 
Password text box. Then you need to enter your new password into both the 
New Password text box and the Confirm New Password text box.
QuickBooks requires a username and password before it will open the 
company data file. For example, if you assign a password to your company 
data file, whenever QuickBooks starts, it displays the QuickBooks Login 
dialog box, where you enter your username and password and then click 
OK. QuickBooks then opens the data file. If you can’t supply the password, 
QuickBooks doesn’t open the data file.
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