Distribute this link via email, SMS, or QR code. When people click it, their smartphone will prompt them to add the contact immediately. Summary Troubleshooting Checklist
If you can manage to open the file in a text or spreadsheet editor (this rarely works for encrypted .spbm but may work for some .spb variants): Open the file in . Clean the data and save it as a .csv file. spbm file to vcf link
Avoid uploading SPBM files to random "free online file converter" websites. Your contacts contain sensitive personal data, phone numbers, and addresses that should not be shared with unverified servers. Distribute this link via email, SMS, or QR code