Yes, many users of large contact files have depended on WholeClear Split vCard Software as a trusted and worry-free VCF splitter for Windows 11. It isn't completely free, but it does have a demo version to enable a user to test functionality before purchasing. The utility is local and has been great for splitting large vCard files into single entries or selected numbers of copies without crashing or corrupting files, Which is vital for a modern Windows platform. The software works for all vCard versions (2.1, 3.0, 4.0) and retains all your fields intact (full notes, addresses, company info, images etc).
Read more: https://www.wholeclear.com/split/vcard/