---
title: "Merge and Split PDF Steps"
slug: "merge-pdf"
updated: 2025-07-09T17:55:12Z
published: 2025-07-09T17:55:12Z
canonical: "documentation.decisions.com/merge-pdf"
---

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

# Merge PDF Documents

| ## Step Details |
| --- |
| **Introduced in Version** | --- |
| **Last Modified in Version** | 7.12.0 |
| **Location** | Data > PDF |

The **Merge PDFDocuments** step allows users to combine two separate **PDF** **Documents** into a single file Output.

---

## Properties

#### Inputs

| Property | Description | Data Type |
| --- | --- | --- |
| Document 1 | First PDF document to merge | List of Byte |
| Document 2 | Second PDF document to merge | List of Byte |

#### Outputs

| Property | Description | Data Type |
| --- | --- | --- |
| Output | Merged PDF File | List of Byte |

#### ![](https://cdn.document360.io/6ef8bcc1-6489-4486-9ad1-83acff7e5df0/Images/Documentation/2022-08-30_09h34_21.png)

---

Related Information

Example Labs: [Combining PDFs Using a Custom Group Action](https://documentation.decisions.com/projects/docs/combining-pdfs) Forum Posts: [Merge PDF](https://community.decisions.com/discussion/1084/merge-pdf) [Merge Multiple PDFs](https://community.decisions.com/discussion/1087/merge-multiple-pdfs)