One standard file format for electronic business cards is the vCard, and attaching your vCard to email messages is an effective and unobtrusive way of letting business contacts know how to reach you.

A security researcher has published details and proof-of-concept (PoC) code for an unpatched Windows vulnerability that affects the way Windows handles vCard files (VCFs). The vulnerability was ...

A vCard is a virtual business card, allowing you to exchange your contact information on the Web, as well as through a smartphone. A handful of Web-based companies offer free vCard generators that ...

Google Contacts lets you transfer contacts between Android smartphones by syncing them with your Google account. Alternatively, you can share contacts using VCF files. This article covers these ...

Make your phone do some of the heavy lifting. Start by installing an app that lets you merge or delete redundant contacts. For iOS, we like Cleanup Duplicate Contacts__($1)__. For Android, Go Contacts ...