Can I backup contacts and messages to NAS326

On Android smartphone? 
You may need to chose what kind of data be backup from android smartphone to NAS326.
Moreover, if you sync smartphone with Google, then it will keep data to your Google account.
the article from Google search: https://www.computerworld.com/article/3215095/android/how-to-back-up-android-phones-complete-guide.html

For Android smartphone,what kind of Android data you want to backup?in my opinion,any data on Android smartphone can be backed up to computer,i have successfully backed up my messages ,photos and contacts to computer for Android smartphone.
From Google search:https://www.tunesbro.com/backup-android-text-messages.html