I want so sell excel spreadsheets online - how can I protect it?

Hi there..... Warm Greetings We came along with your request for excel spreadsheets online and we reviewed your project description. We'd like to help you with confidence and satisfying results... We have professionals working here with 100% results and more creative and renovative ideas for our clients ! We have worked on several similar projects before! We are offering our services for more than 5 years in the field of Excel, Programming We have worked on 300+ Projects. Please check the profile reviews Feel free to message us to discuss briefly about your project !

Hello I can password protect your file using only a Excel's built in function without changing file format. That way you can sell your files as Excel and only give the password after you receive payment. Feel free to message me if you want to discuss your project.

Hi there, Please message me so we can discus this project and get started ASAP! There are a few ways we can do this. Kind Regards, L.

hi there i think that you found the right person for acheive this work its"me"but i can give you a sample before starting the work and after you decide

A proposal has not yet been provided

I can create an encryption algorithm that will ask for an serial key upon the spreadsheet is executed and after the first input will register the serial key and the spreadsheet will be locked to be executed only on that computer.

I have made calculators in excel that needed the exact thing. You limit the access to a few cells, lock the rest and also not let anyone know how you calculated them. Trust me, even you will not be able to make out if you loose your password.

Hello, not that I can help you with implementing it, but the best solution is to make online prepaid service using google.sites. Just advice

Hi I worked with MS excel and also know how to protect certain cells, rows/ columns and versatile VBA programmer