> ## Documentation Index
> Fetch the complete documentation index at: https://docs.envoi.no/llms.txt
> Use this file to discover all available pages before exploring further.

# Auditor and SAF-T

> Download the SAF-T file, and check that the books have not been altered.

**Auditor** has the file your auditor and the Norwegian Tax Administration (Skatteetaten) ask for, and the check that shows the figures stand as they were posted.

<Frame>
  <img className="block dark:hidden" src="https://mintcdn.com/envoi-5929ace9/glSEslf-wTQJMAzw/images/en/accounting-auditor-light.png?fit=max&auto=format&n=glSEslf-wTQJMAzw&q=85&s=f5c3f0c137151a9d7b4346d32a6397ba" alt="The Auditor page with SAF-T export, check of the books and checksum" width="2160" height="1350" data-path="images/en/accounting-auditor-light.png" />

  <img className="hidden dark:block" src="https://mintcdn.com/envoi-5929ace9/glSEslf-wTQJMAzw/images/en/accounting-auditor-dark.png?fit=max&auto=format&n=glSEslf-wTQJMAzw&q=85&s=510d469702271c3fb67ae7a9de2d839d" alt="The Auditor page with SAF-T export, check of the books and checksum" width="2160" height="1350" data-path="images/en/accounting-auditor-dark.png" />
</Frame>

## Download SAF-T

SAF-T is a standard file format for accounting. Envoi creates the file in version 1.40, which is the format Skatteetaten requires from 1 January 2027.

<Steps>
  <Step title="Choose the period">
    Choose the **From** and **To** month. The period can span several years.
  </Step>

  <Step title="Download">
    Choose **Download SAF-T file**. The file is downloaded, and Envoi shows the file name and a checksum.
  </Step>
</Steps>

The file contains the chart of accounts, customers, suppliers, the VAT codes and all postings in the period. It is named `saf-t_organisasjonsnummer_fra-til.xml` (organisation number, from, to), for example `saf-t_112233458_202601-202609.xml`.

* Envoi does not send the file anywhere. You give it to your auditor, accountant or Skatteetaten yourself.
* Every download from here is logged in the books.
* The same period gives the same checksum every time, so the recipient can see that the file has not been changed.

## Check the books

Choose **Check that the ledger has not been altered**. Envoi goes through all postings and checks that they stand as they were posted.

* **Nothing has been altered**: everything is in order.
* **The ledger has been altered after posting**: stop, and contact your auditor and [support@envoi.no](mailto:support@envoi.no).

## Keep the checksum

Under **Keep the checksum outside Envoi** you see a checksum for the entire books as they are now. Copy it and store it somewhere outside Envoi, for example in a password manager or an email to yourself, ideally once a year. You can then show later that the books have not been changed since.