Yes, you can easily fix duplicate fields in vCard by using a reliable software such as WholeClear vCard Duplicate Remover. This offline tool can easily automatically remove duplicate contacts from a vCard file without losing data. This advanced software can handle your VCF files, detecting and deleting duplicate entries while preserving all unique contact information. It can simply delete duplicate entries from VCF, correct duplicate fields in vCard, and prevent data loss. The tool is compatible with all Windows systems and allows batch processing, making it perfect for managing huge contact lists.

If you want to automatically remove duplicate contacts from a vCard (VCF) file without losing important data, then you should try BitRecover vCard Duplicate Remover Tool. This application easily deletes duplicate vCard contact files without losing important contacts. This application effectively deletes unwanted duplicate files. Users don't need extra tool to remove duplicate contacts. This tool can be used in Windows OS editions. Download the free demo edition of this application to know more about the software.

If the vCard file has repeated contacts, don’t clean it manually unless the file is very small. One wrong deletion can remove a useful phone number, alternate email, company detail, or saved note.
A better way is to scan the VCF file by contact fields like name, email address, and mobile number, then remove only the matching duplicate records. When manual deletion looks risky, Softaken vCard Duplicate Remover is worth testing on a copied VCF file because it gives better control over duplicate field matching.
Before running it, make a backup copy of your VCF file. After cleanup, open the output once and check a few contacts before importing it into your phone, Outlook, iCloud or Gmail contacts. Use the demo first on your own file so you can confirm the result before purchasing.