File Formats
============

SAM uses the following types of files to store and transfer data. The file formats are listed below by file extension in alphabetical order.

**BMP**
  Graphics file format used to export graph images.

**CSV**
  Text file containing a table of comma-delimited columns that SAM uses to export results data from graphs and tables, store library data, and for :doc:`weather files <../weather-file-formats/weather_format>`  .

**EPW**
  EPW weather file format for EnergyPlus weather files.

**JPG**
  Graphics file format used to export graph images.

**LK**
  Text file containing :doc:`LK script <macros>`   for automating SAM analyses.

**PNG**
  Graphics file format used to export graph images.

**SAM**
  File format for SAM project files. Stores inputs and results.

**SAMREPORT**
  File format used to store :doc:`report <reports>`   templates.

**SRW**
  Obsolete file format for wind resource data.

**TM2**
  Deprecated weather file format from old versions of the NSRDB.

**XLSX**
  Excel files used to :doc:`export data <export_data>`   from SAM and to :doc:`exchange data <excel_exchange>`   between the model and Excel.

**ZSAM**
  An obsolete file format for SAM project files (SAM 2014.1.14 and earlier). SAM cannot import files in the .zsam format.