Link Excel Files
You can link Excel files to a Visyond project and refer to their cells in formulas.
Click on the Sources button to open the Sources Panel:
![](https://help.visyond.com/wp-content/uploads/2022/01/External-sources-menu.png)
Select an Excel file (e.g. My Other Spreadsheet.xlsx), and click Add Source. You can also change the name of the source (e.g. MyData).
![](https://help.visyond.com/wp-content/uploads/2022/01/Sources-panel-1024x362.png)
Go to any cell and type a formula as =[MyData]1!A1+1, where 1! is the first Excel worksheet (from the left) containing cell A1:
![](https://help.visyond.com/wp-content/uploads/2022/01/external-source-reference.png)
After the value is entered, the cell containing a reference to an External Source will be highlighted:
![](https://help.visyond.com/wp-content/uploads/2022/01/external-source-cell.png)
Other Sources
We will add more external sources over time (e.g., web pages for live data).
Should you have any specific requirements for integrations, please contact us.