account-financial-reporting/account_journal_report/report/reports.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <!-- Account Journal Ledger Report -->
    <report id="account_journal_ledger_report"
            string="Journal Ledger"
            model="account.journal"
            report_type="qweb-pdf"
            name="account_journal_report.journal_ledger"
            file="account_journal_report.journal_ledger"/>

    <record id="action_account_journal_ledger_xlsx" model="ir.actions.report.xml">
      <field name="name">Journal Ledger</field>
      <field name="model">account.journal</field>
      <field name="type">ir.actions.report.xml</field>
      <field name="report_name">account_journal_report.journal_ledger_xlsx</field>
      <field name="report_type">xlsx</field>
      <field name="auto" eval="False"/>
    </record>

    <record id="account_journal_ledger_paperformat"
            model="report.paperformat">
        <field name="name">Account Journal Ledger</field>
        <field name="default" eval="False"/>
        <field name="format">A4</field>
        <field name="orientation"/>
        <field name="margin_top">10</field>
        <field name="margin_bottom">10</field>
        <field name="margin_left">7</field>
        <field name="margin_right">7</field>
        <field name="header_spacing">0</field>
        <field name="dpi">90</field>
    </record>

    <record id="account_journal_ledger_report"
            model="ir.actions.report.xml">
        <field name="paperformat_id"
               ref="account_journal_ledger_paperformat"/>
    </record>

</odoo>