Excel reports a broken xlsx file if there is an ascii code 0x0B or decimal 11 in a cell. It's also known as VT or "Vertical Tab". Excel consider this character as illegal in xml and the xlsx is broken ...

Use the SUBSTITUTE () function to remove non-printable characters in Excel Excel offers a CODE () function which returns the ASCII code for a given character.

What is the ASCII code chart? Codes 0 to 31 are not used for characters They are called control characters because they are used for actions like: Carriage return (CR). Bell (BEL). Codes 65 to 90 ...

To access these symbols, you must use Windows' built-in character map or type the appropriate American Standard Code for Information Interchange (ASCII) code on the numeric keypad.

Este trabajo tiene por objeto el escribir un código apropiado para traducir archivos en ascii -típicos en banco de datos con un número muy grande de archivos, hacia el Excel, que es una hoja ...