> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tesouro.com/llms.txt
> Use this file to discover all available pages before exploring further.

# File format

> Learn about Tesouro report file naming conventions and CSV formatting standards including delimiter, quoting, and escaping rules.

* File names are formatted as:<br />
  `{reportName}_{startdate:YYYYMMDD}-{endDate:YYYYMMDD}_{generationDate:YYYYMMDDThhmmss}.csv`

  <Info>
    **Example**
    <br />A transaction summary report containing a summary of transaction counts and amounts from
    July 31, 2024 that is created on August 1, 2024 at 12:00 PM UTC would be named: <br />

    <br />

    **transaction-summary\_20240731-20240731\_20240801T120000.csv**
  </Info>

* Reports are saved as comma-separated values (CSV) files, and follow the [RFC 4180 standard](https://www.ietf.org/rfc/rfc4180.txt)

* Values are separated using commas.<br />`2024-11-04,AUTHORIZATION,VISA`

* Values containing commas are enclosed within double quotes.<br />`"CU COOPERATIVE SYSTEMS, LLC"`

* Values containing double-quotes are escaped by two double quote preceding it.<br />`"Dwayne ""The
  Rock"" Johnson"`