Microsoft Office Excel ships with templates for creating budgets, cash-flow statements and profit-and-loss statements, which are some of the most basic documents used in accounting.

This Excel training bundle is majorly marked down—there's never been a better time to brush up on your spreadsheet skills.

The Complete Excel VBA, and Data Science Certification Training Bundle goes over the basics of Microsoft Excel for automation, data visualization, and more for $49.99.

Fortunately, you can convert Excel files to plain text files, which can then be imported into almost any spreadsheet program, such as Intuit's QuickBooks accounting software.