> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.cthings.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How do I download data for a device?

You can export all historical data associated with a device through the cThings Cloud platform.

||| **Note:** exported data will be saved as a .csv file, which can either be opened using a text editor or a number processor such as Excel

## Downloading data for a device

##### Accessing the historical data for a device

* Navigate to your device within cThings Cloud.
* Select the **Data** tab located at the top of the device page.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17123_hpll0y.png)

##### Preparing the data download

* Within the **Data** tab, you will see a graph displaying historical readings.
* Click the **View** dropdown menu and choose the **Table** option.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17135_1b0s19l.png)

* This will display your data in a tabular format, similar to the example below:

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-08-05-at-15553_1o7anej.png)

##### Selecting the date range for your download

* Choose a **start date** and **end date** for the period of data you wish to download.

![Selecting the starting date](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17214_srol88.png)
![Selecting the end date](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17262_108z8ar.png)

##### Selecting your downloaded data interval

* Specify the **interval** at which the data should be grouped for export.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17274_erfel1.png)

##### Setting the download data types

* Choose the specific **data types or readings** you would like to include in your export.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17295_1yh0e2l.png)

##### Downloading the data

* Click the **EXPORT** button located in the top-right corner of the table view.
* The data will be downloaded in the format and structure you have configured.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/6/a/7/66a70a6ed8fbb400/screenshot-2025-07-23-at-17312_17yejiz.png)


||| To preserve formatting (e.g., long numeric values like device IDs), avoid converting the .csv file automatically when opening it in Excel. Instead, open it through Excel’s Import Wizard or save it as an .xlsx file after import.