Ever tried typing a long ID, credit card, or serial number in Excel only to have it change the last digits to zero? In this video, I’ll show you exactly why Excel does this (the 15-digit precision limit) and the two fastest ways to fix it so your 20-digit numbers stay exactly how you typed them.
What you’ll learn:
Why does Excel convert long numbers to scientific notation?
Method 1: Using the Apostrophe (') trick for instant fixes.
Method 2: Pre-formatting cells as Text for large data sets.
A bonus tip on using Custom Number Formatting to keep your data clean.
Timestamps:
The Problem: Why Excel changes your numbers
Method 1: The Quick Apostrophe Hack
Method 2: Formatting Cells as Text
Important note on calculations with long numbers
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