---
title: "History"
slug: "v4-history"
tags: ["kb-how-to-article"]
updated: 2023-09-18T14:24:26Z
published: 2023-09-18T14:24:26Z
canonical: "help.12dsynergy.com/v4-history"
excludeFromSearch: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.12dsynergy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# History

As with all files in 12d Synergy, you can always view the history of a 12d Model Project. You can see who made a change, when and why.

## **1.1 Viewing History and Rollbacks**

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/2b9eb159-a59d-45db-9ffa-4bc54cd82a17.png)

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/6831e0fc-ce94-454a-ac95-968437f1cf8d.png)

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/acf99180-75b5-425b-8e85-a2b943746511.png)

## **1.2 Viewing Access History**

12d Synergy also tracks when people access a 12d Model project, either for edits or to share data and if it is opened ready only. You must have administrative permissions to see this list, but if you do:

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/0ab075a1-a8c5-469b-98be-846b4387f694.png)

![](https://cdn.document360.io/36833d89-59e3-46a5-b491-e9aa1b524a85/Images/Documentation/a112306a-3038-4aca-b497-9d8309658361.png)