What is the best way to store people's contacts?

Question

Google

There were few contacts - it was possible both in a notebook, and on a SIM card and in the head, but the number is increasing at times, and now the question is, how best to store phone numbers, emails and other data of people for communication?
Should I trust Google to store my contacts?
Offer good storage options.

Answer 1

Store at Google
upload and archive
synchronize with local software