cannot convert array to excel

To convert an array to an Excel file, you need to use a programming language that supports Excel file manipulation, such as Python with the `openpyxl` library or Microsoft Excel VBA.

Here's an example in Python using `openpyxl`:

import openpyxl

# create a new Excel workbook
workbook = openpyxl.Workbook()

# select the active worksheet
worksheet = workbook.active

# create an array of data
data = [
    ['Name', 'Age', 'Gender'],
    ['Alice', 25, 'Female'],
    ['Bob', 30, 'Male'],
    ['Charlie', 20, 'Male']
]

# write the data to the worksheet
for row in data:
    worksheet.append(row)

# save the workbook
workbook.save('output.xlsx')

This code creates a new Excel workbook, selects the active worksheet, creates an array of data, writes the data to the worksheet, and saves the workbook to a file named `output.xlsx`. You can modify the code to suit your specific needs.