Query on the new eM Client Sync Service

Wondering if I setup the new eM Sync Service to sync my existing Settings, Accounts, Signatures etc on the desktop, will that cause the desktop and mobile app to both recache all the mail again as it takes me days to do that if it does.

“eM Client Sync Service”

https://www.emclient.com/emsync

“eM Sync can synchronize account configurations (email, calendar, contacts, chat, and others), general application settings , signatures , email templates , and QuickTexts”