[Feature request] Open/merge multiple VCF files

[woutput]

Would it be an idea to open multiple VCF files? It would "just" add more entries to the contact list. Ideally, the tool would also recognize multiple contacts with the same phone number, e-mail address or other. Then have the possibility to merge two (or more) contacts.

In my use case, I have multiple files: multiple backups from multiple smartphones. I'd like to combine them into one "latest greatest" VCF file (to be used on my phone and synced with Nextcloud).

Thank you for this nice software!

[woutput]

This feature request may be related to #7 although there the request may be to write/output multiple VCF files, while my request is to read/input multiple VCF files.
I also tried the suggestion that was mentioned in #7, that is: to simply merge the multiple VCF files into one. That worked to get all info inside the tool.
Then my remaining suggestion would be: Could we have find duplicates and merge options? What do you think?