> ## Documentation Index
> Fetch the complete documentation index at: https://enterprise-docs.dify.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Upload Local Files

<Note>
  Once a knowledge base is created, its data source cannot be changed later.
</Note>

When quick-creating a knowledge base, you can upload local files as its data source:

1. Click **Knowledge** > **Create Knowledge**.

2. Select **Import from file** as the data source, then upload your files.

   * Maximum number of files per upload: 5 (set via `UPLOAD_FILE_BATCH_LIMIT`)

   * Maximum file size: 15 MB (set via `UPLOAD_FILE_SIZE_LIMIT`)