Set yourself up for success by decluttering in ways that suit your zodiac sign, whether that's scheduled decluttering ...

Excel's text functions, such as TRIM, UPPER, LOWER, and PROPER, can be used to clean up textual data. TRIM removes extra ...

VSTACK and HSTACK are dynamic array functions, meaning the result spills from the cell in which you type the formula, and any changes to the data in the source arrays are reflected in the stacked ...

Business issues such as incorrect transactions, data entry errors, technical glitches and poor system design may cause duplicate values in your data sets. Duplicate values can exist across rows or in ...

After you join two or more tables that include some identical values, you need to eliminate duplicates in Excel. Luckily, that’s a pretty simple task and we have some methods that will help you. If ...

For fixing DLL errors, we recommend HelpSoft PC Cleaner. The tool will help you fix and clean the registry keys that cause DLL malfunctions. In more advanced cases ...

When you're working with a spreadsheet, duplicate data can sometimes make its way in and cause all sorts of problems. In this how-to, we demonstrate two methods of using Microsoft Excel for ...

As you use Microsoft Excel more and more, you'll find that the VLOOKUP function is a very popular tool for dealing with large Excel directories or databases. It allows the user to quickly find ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...