Make sure your data is in the correct format for Quantext. Refer first to the Quantext Data File Format Guide
for full details of the required format, limitations and caveats.
Click on the + icon (Upload) in the 'Quantext Files' box or click on the Files icon in the menu bar. The File Manager panel will open. Click on the 'Choose file' button and browse to locate the file you want to upload (Quantext files are .xlsx files and must be in the correct format) then click Upload.