Microsoft Excel formulas I am confident in using Vlookup, If, And, Or, Sumif(s), Countif(s), and how to combine multiple formulas and use Sort, Filters, Data Validation, Conditional Formatting, Pivot tables I've more than 10 years of professional experience in the field of Quality Assurance, Software Development, Finance, Data Analysis, Excel Data Validation and Data Entry, Data Storing and other services for financial clients.