In the Confirm Password field, reenter the same password. The password should have 8 or more characters, upper case and lower case letters (e.g. In the Password field, type the password.Choose File menu > Set Password to modify transactions.Choose File menu > Open Quicken File to open the data file that contains the transactions you want to protect with a password.(You might use a transaction password when you close an accounting period so that no one accidentally changes transactions within that period. After you set up a transaction password, Quicken will prompt you for the password before you can record changes to any of the transactions dated on or before the date you specified. Transaction passwords protect all transactions before a certain date. If your file is renamed or copied, the password remains in effect. Note: A file password doesn't protect your file from being copied, deleted, or renamed. If you cannot remember your password, click Forgot password. Quicken also offers a password removal service. After you set up a file password, you can't open the file unless you enter the password correctly. You have the options to set a custom password or use the data file without a password. For security purposes and to make the password stronger, we recommend the following: the password should have 8 or more characters, upper case and lower case letters (e.g. There is no specific password requirement. Choose File menu > Set Password for this data file.A file password protects only the current file so make sure that the current file is the one you want to assign the password to. Choose File menu > Open Quicken File to open the data file you want to protect with a password.A file password doesn't protect a file from being deleted, copied, or renamed however, the file password remains in effect for files that are copied or renamed. After you set up a file password, you can't open the file to access any of the accounts within it unless you enter the password correctly. File passwords discourage unauthorized access to your entire Quicken data file.

How to delete quicken files