Save Time with Repetitive Data Entry in Microsoft Excel

Working with repetitive data in Microsoft Excel, like names, email addresses, or phone numbers, can be a time-consuming task. Thankfully, Excel’s Flash Fill feature, introduced in Microsoft Excel in 2013 and refined in later versions. It can instantly recognise patterns and auto-complete data for you, saving hours of manual effort.

💡 What Is Flash Fill in Excel?

Flash Fill is a smart Excel tool that auto-fills data when it detects a pattern based on your initial inputs. It’s ideal for tasks like:

  • Formatting phone numbers

  • Extracting domain names from email addresses

  • Separating first and last names

  • Combining text from multiple cells


🔧 How to Enable Flash Fill

Flash Fill is enabled by default, but if not, you can activate it manually:

  1. Go to the Data tab

  2. Find the Data Tools group

  3. Click on Flash Fill


Flash Fill Step-by-Step Example

Imagine: Extract First Names from Full Names

Step 1: Type the first name manually in the adjacent cell

Step 2: Begin typing the second name, and Excel will preview the pattern

Step 3: Press Enter to accept the suggestion

Alternate method: Use the Data tab -> Flash Fill or press Ctrl + E


Flash Fill Use Cases:

Example 1: Combine First and Last Names

  • Column A: John

  • Column B: Smith

  • Column C: Type “John Smith”

  • Press Ctrl + E to apply Flash Fill to the rest

Example 2: Extract Email Domain

  • Column A: john.smith@example.com

  • Column B: Type “example.com”

  • Press Ctrl + E to auto-fill the domains


⌨️ Keyboard Shortcuts for Microsoft Excel Flash Fill

  • Windows: Ctrl + E

  • Mac (latest versions): Command + E

⚖️ Flash Fill vs. Formulas

Feature

Flash Fill

Formulas (e.g., LEFT, MID, RIGHT)

Best For

One-time data tasks

Dynamic, ongoing data updates

Skill Level

Beginner-friendly

Requires function knowledge

Flexibility

Fast, no formulas

More control and flexibility

✅ Best Practices for Flash Fill

  • Use it for static, one-time data cleanup

  • Always verify the filled data for accuracy

  • For live or large datasets, prefer formulas for flexibility


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