Many folks use Google to manage their contacts. This means they can access them at any time on their computer using the browser and have the latest version of the database available on their Android ...

Many applications support data and report exports to the Microsoft Excel spreadsheet format. Most contact management tools, such as those included with email client apps as well as account management ...

I have a dump of contacts from a different program, it started life as an Excel (old 2003 format xls) file. I need to massage this data to work in modern mail programs, the eventual target is GMail ...