Hi Stephanie,

Is this for AR invoices and I presume you mean the Crystal report for printing invoices? The standard file is arztc001.rpt and the directory where these are normally stored is: C:\Program Files (x86)\Sage Software\Sage MAS 500 Client\AR\Reports

Please make a copy of standard before modifying. Beyond this, where do you normally maintain backups of your Sage directories / reports folders? 
If your Sage partner originally assisted in customizing your Invoice report file, they may have a copy.

Invoices are business forms managed through Common Information > Maintenance > CI Setup > Setup Business Forms.

If you’ve renamed a customized invoice—which is a common practice—please note that the original .rpt files may still reside in the system folder referenced by Phil.  To avoid confusion and preserve historical versions, it’s important to assign a new name to any modified business form. This ensures that previous versions remain intact and accessible within the system.

Invoices are business forms managed through Common Information > Maintenance > CI Setup > Setup Business Forms.

If you’ve renamed a customized invoice—which is a common practice—please note that the original .rpt files may still reside in the system folder referenced by Phil.  To avoid confusion and preserve historical versions, it’s important to assign a new name to any modified business form. This ensures that previous versions remain intact and accessible within the system.