Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.
Attach the client's scope before the quote reaches approval.
Your quote approver can review the client's scope beside the draft quote, with the uploaded file attached from the scope form.
See how a revised customer quote compares with the approved deal.
See quote changes beside the deal amount your team signed off, with the difference recorded on the deal.