Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

The NETWORKDAYS function in Microsoft Excel is a date and time function that returns the number of whole working days between Start_date and End_date. The NETWORKDAYS function excludes weekends ...

The IF function is one of the most flexible functions in Microsoft Excel and has a range of uses that can be helpful in comparing data entries and isolating specific data points. The IF function can ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...

Sometimes, the YEAR function returns the correct value, but Excel displays an unexpected year, such as 1900 or 1905. This occurs when the cell containing the YEAR formula is formatted as a Date ...

Learn how Excel IMPORTCSV refreshes linked CSV data, handles locale formats, and switches to IMPORTTEXT for semicolon ...