Top 12 Excel Frequently Asked Questions
1. What is Microsoft Excel used for?
Microsoft Excel is used for data analysis, calculations, reporting, charting, financial modeling, and managing information using spreadsheets.
2. What are Excel formulas and functions?
Formulas perform calculations on your data, while functions are predefined formulas like SUM, AVERAGE, and VLOOKUP that make calculations easier.
3. How do I create a chart in Excel?
Select your data, go to the “Insert” tab, choose a chart type, and Excel will automatically generate the chart for you.
4. What is the difference between Excel Online and Desktop Excel?
Excel Online is cloud-based and accessible via a browser, while Desktop Excel offers advanced tools and works offline. Microsoft 365 subscriptions include both.
5. What are PivotTables in Excel?
PivotTables allow you to quickly summarize, analyze, and explore large datasets by reorganizing data dynamically without changing the source data.
6. How do I protect my Excel workbook?
Go to “File” → “Info” → “Protect Workbook” and set a password. You can also protect individual sheets to prevent changes.
7. What is conditional formatting in Excel?
Conditional formatting automatically applies colors, icons, or styles to cells based on specific rules, helping highlight important data.
8. How do I remove duplicates in Excel?
Select your data, go to “Data” → “Remove Duplicates,” and Excel will automatically filter out duplicate values.
9. How can I use VLOOKUP in Excel?
VLOOKUP searches for a value in the first column of a table and returns data from another column in the same row. Use: =VLOOKUP(lookup_value, table_array, col_index_num, FALSE).
10. How do I share an Excel file with others?
With Microsoft 365, you can share files via OneDrive by clicking “Share” in Excel. Others can view or edit based on permissions you set.
11. What is the difference between XLS and XLSX?
XLS is the older Excel file format (Excel 97–2003), while XLSX is the modern format introduced in Excel 2007 that supports more features and better compression.
12. How do I recover unsaved Excel files?
Go to “File” → “Info” → “Manage Workbook” → “Recover Unsaved Workbooks.” Excel automatically saves temporary versions that you can restore.