Knowledge Base ← Help and Customer Feedback for Invoice Expert Installation → Invoice Expert Manual/User Guide Move Invoice Expert to a new computer How to upgrade to the advanced edition Can't upgrade: Incorrect Serial Number How to change the installation code for a license? 6 articles → Features → How do I back up my database? Sharing Invoice Expert with Multiple Computers (Network Setup/Remote Access) Importing/Exporting Customers or Products Do you support barcode scanners? How To → How to upload your database to Dropbox Troubleshooting: Remote Access "Index was out of range" - Update database version Sort by Customer Number Delete all products 9 articles → Invoicing → Why doesn't my invoice have a unit prices column? How to print an Invoice (or save as PDF) How to add a discount to an invoice Invoice Designer → How to modify the invoice template to show invoice notes Adding fields to invoice template: customer phone and email Calculated Fields: 3% discount for paying in 10 days Add product price to invoice template Multi-Line Invoice Notes 13 articles → Inventory → Products aren't showing up in the list FAQ → Windows Compatibility Where is the database file located? Do you offer a physical DVD/CD? Invoice Template Files Missing buttons in full menu Bugs → Email Troubleshooting - "Failure sending email" Doesn't Open (Invoice Expert has stopped working) Data Not Available System.UnauthorizedAccessException. Access to the path is denied. Error when restoring database backup 10 articles → Purchasing → Purchase problem: Failure to authorize. Do not honor Upgrading → Old database files (.vdb3 vs .vdb4) Failed to update database to new version! Access to the path 'XXX' is denied. All articles → How to modify the invoice template to show invoice notes How do I back up my database? How to upload your database to Dropbox Old database files (.vdb3 vs .vdb4) Windows Compatibility 58 articles →