Paste a YouTube channel About section, click convert, then copy the tab-separated output directly into Excel or Google Sheets.
Output columns: CHANNEL, EMAIL, LINK, COUNTRY, JOIN DATE, SUBS, VIDEOS, VIEWS, LINKS, DESCRIPTION, VIEWS / VIDEO, VIEWS / SUB, VIDEOS / MONTH, VIEWS / YEAR, ACCOUNT AGE. The copied output uses tabs, so each field should drop into the correct spreadsheet column.