you can simply select all your files, right-click on them, and select Compress to > Zip file. However, if you want to add more files to an existing zip file, there are two things that you can do.

Create an email to [youraccountname]@kindle.com, and add the documents as attachments. Make sure it’s one of the supported file types found here — most documents and images will be all right ...

E-mail isn’t the only way to share files with friends. Tweak the Windows 10 ‘Send to’ feature to add more programs. Q: Last year, following your advice, I upgraded from Windows 7 to Windows 10.