如何使用制表符分隔符将字符串数组写入Excel文件？

I'm creating a small app that reads a tab delimited text file, makes a few changes, and then creates an Excel 2007 .xlsx file. I'm having trouble figuring out how to take the lines from a string array and write them to the Excel file, using the tabs to break the line up into columns. I hope that made sense. I'm creating a small app that reads a tab delim