Excel 教程

Explore how you can identify duplicate entries in Excel using Conditional Formatting, the COUNTIF() formula, and Power Query. Learn best practices and troubleshoot issues.

See how to use VLOOKUP() to pull data from another sheet in your Excel workbook. Build confidence with practical examples and troubleshooting techniques.

Learn how to find p-value in Excel using Excel functions like T.TEST() and Z.TEST(), by using the Data Analysis Toolpak, or through manual calculations. Equip yourself to make confident, data-backed decisions in Excel.

Learn how to effectively use VBA in Excel to automate tasks, create macros, and enhance your data processing skills with practical examples and best practices.

Simplify your data models with Excel’s Goal Seek, one of its powerful What-If Analysis tools. Solve real-world problems like loan payments and revenue targets.

Learn how to compare two columns in Excel for matches and for duplicates using methods like the equals operator, IF() function, EXACT(), XLOOKUP(), and more.

Learn how to extract and format text position or delimiter using Excel substring functions, including LEFT(), RIGHT(), MID(), and more, with step-by-step instructions.

XLOOKUP() searches in any direction, defaults to exact matches, and has built-in error handling, while VLOOKUP() only searches right and needs manual column indexing.

Discover how to separate names in Excel with features like Text to Columns, Flash Fill, and custom-built formulas. Make your spreadsheets cleaner and easier to work with.

Master the art of using VLOOKUP() with multiple criteria in Excel. Explore advanced techniques like helper columns and the CHOOSE() function.

To calculate standard deviation in Excel, enter your data into a range of cells and use either =STDEV.S() for sample data or =STDEV.P() for population data.

Combine VLOOKUP() with IF() for efficient data analysis, including conditional lookups, error handling, and dynamic column indexing.