Advanced Contacts Manager app allow to take backup of your contacts. No activations required to take backup of contacts and app is working in online and offline mode too.FEATURES:● Easy and Offline contact backup.● Send back to your email with the created backup VCF file.● Backup Contacts as VCard (VCF File).● Manage history of backup with date and time.● Delete historical backup if not needed.● Export the backup with your friends.● Copy backup file easily from the "ContactsMaster" folder in case miss the email.● Store backup securely and access anytime, from anywhere with secure login feature in the app.● Best online contact backup manager app.NOTES:After sending your backup file to yourself via email please check your inbox if email available in the inbox with the backup file attachment. Sometimes backup file not available due to large file size of attachment. You can use another email client to send backup file.