Altium Designer drill report
File type: Various data file
Files with the .drr file extension are generally drill reports produced by Altium Designer, a PCB and FPGA design application.
The report is a data file associated with Altium Designer's PCB design and manufacturing output workflow.
File type category:
Various data file
Date updated: October 11, 2026
Altium Designer is design software from Altium for creating printed circuit boards and FPGA-related designs. A .drr file is a drill report generated for a PCB design.
The report contains information about the drilling operations required for the board, such as the drill tools and hole data used in manufacturing. It is typically generated with other output files when design data is prepared for fabrication.
DRR reports are generally text-based, so their contents can also be inspected outside Altium Designer. The associated software runs on Microsoft Windows.
Open the .drr file in Altium Designer when it is available. Because the report is text-based, it can also be viewed with a plain-text editor on Microsoft Windows.
If Altium Designer does not open the report directly, use a text editor to read its contents rather than changing the file extension.
A drill report is intended for viewing or documenting PCB manufacturing data, so it usually has no useful conversion target. It can be printed or saved as a PDF using Altium Designer or a text editor with printing support.
Software apps that export drr files:
Microsoft Windows
Language
