Save multiple faxes at once?

There isn't at the moment.

What is your use case / interest in saving all of 2017s faxes? Are there any other filters you are interested in?

If you just want to archive all your data to another store such as Dropbox, Google Drive of a FTP server, you can look into our Archiver service:

https://apps1.ringcentral.com/app/312709020-312709020-7gufiGT3T3CCuCP37hMDaQ~4TkBPW7ETPi3SEzIj4gUXQ-...