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

# Welcome to Dealbase

> Documentation for the Dealbase Excel Add-In

Dealbase is an Excel Add-In that automates financial analysis for software investors. It helps you generate ARR waterfalls, TTM retention, cohort analyses, and more — all directly within Excel.

<Card title="Get Dealbase" icon="download" href="https://appsource.microsoft.com/en-us/product/office/WA200006153" horizontal>
  Install Dealbase from Microsoft AppSource.
</Card>

## Details on computations

Learn how Dealbase computes key SaaS metrics and KPIs.

<Card title="TTM Net retention" icon="chart-line" href="/computations/ttm-net-retention" horizontal>
  Learn how Dealbase computes trailing twelve months net retention.
</Card>

<Card title="TTM Gross retention" icon="chart-line" href="/computations/ttm-gross-retention" horizontal>
  Learn how Dealbase computes trailing twelve months gross retention.
</Card>