In any case if your family tree crashes, it make make you loose your data. Now, how to stay secure from this condition. Well, there is a very simple answer to this problem. You need to backup your FTM on daily basis. You need to backup copies of your FTM on regular basis. You can save then files on other devices, Google drive or any other medium on which you are comfortable.
Now, if you think your FTM get backed up on Ancestry. Yes, your family tree is backed up on Ancestry but certain portion of family tree doesn’t get backed up on Ancestry. Later on your FTM doesn’t get sync with sync.
We suggest you not to relay on Ancestry for backup. If you face any issue for backup related problem in FTM, we are here to help you. Call on toll free number +1-833-814-5111