On a contract, click on the Documents Tab.
1. Click the Actions button then select Upload file.
2. This opens a form where you choose the document type and status, then choose the file to upload.
3. Click Save, and the selected file will be uploaded. The list of uploaded files will be seen there
There is another option for uploading documents.
When adding a new contract from the upload contract option, you can upload contract documents before adding the contract details.