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# Import File

> Add data from files saved locally on your computer.

The **Import** feature allows you to upload data files saved on your computer into Glide apps. The supported file formats include:

* [Microsoft Excel](/docs/essentials/data-sources/microsoft-excel) spreadsheet (.xlsx)
* Comma-separated values file (.csv)
* OpenDocument Spreadsheet (.ods)

> **Note**
>
> Data files can be imported into both Glide Tables and Glide Big Tables.

You can upload these files three ways—while setting up a new app, by adding a new data source in the [Data Editor](/docs/getting-started/introduction-to-the-data-editor), and importing data into an existing Glide Table.

## Creating a New App

#### Import file - Arcade 1

From the dashboard, select **New app.**

Click on **Import File** and select **Continue**.

Select **Choose a file** and select a file to upload.

Select **Continue**.

## Adding a New Data Source

#### Import File - Arcade 2

From the Data Editor, click on the **plus (+) sign** next to **Tables** and select **Excel or CSV** under **Import File.**

In the pop-up, click **the arrow** and select a file to upload or **drag and drop** a file to the same location.

## Importing to an Existing Glide Table

#### Import File - Arcade 3

From the Data Editor, select the exist table you want to import data into.

There are two ways to import data into the table:

* Right click on the table and select **Import.**
* At the bottom left of the table view, select the **Import** button.

In the pop-up, click the arrow and select a file to upload or drag and drop a file to the same location.

> **Note**
>
> The sheets in your file are added as individual tables in the **Data Editor**. Since the original file is saved on your computer, any changes you make there will not affect the table in Glide and vice versa.
>
> When the imported file includes columns that aren't found in the current table, new columns are added to the end of the table.