Answer to Question 1
Delimited text files are files that have field values separated by common symbols known as delimiters. The files that use commas as delimiters are known as comma-delimited files. Sometimes, however, the data itself contains commas, and so commas cannot be used to separate field data. In that case, some other character is used to delimit the fields. The tab character is frequently used, in such cases; the export file is called a tab-delimited file. Delimited text files are easy to import into either Microsoft Excel or Microsoft Access.
Answer to Question 2
A