Contacts received via Send Anywhere app are saved to the File tab of the Send menu. To save it to the native Contacts app, perform the following steps.
How to save contacts in the Contacts app
1. Go to the File tab of the Send menu on Send Anywhere app.
2. Tap a contact file (.VCF) to move to the preview screen.
✳︎ Regardless of the number of contacts, it will be sent as a single contact file(.VCF).
3. Tap arrow icon at the right bottom. The bottom menu will appear.
4. Tap the Contacts app icon in a list of apps to open the Contacts app.
5. Save contacts.
You will see a contact details page. Tap Save in the top right corner.
You will see a list of your received contacts.
Tap Save in the top right corner to save all your contacts at once.
If you want to save only some of them, tap contact items to save them one by one from the details page.