Smart Fill will detect patterns and make suggestions to help automate data entry. You can use Smart Fill for tasks such as extracting the first name from a given list of full names or finding values in a range or table.
Smart Fill uses data in your sheet and knowledge available through Google’s public Knowledge Graph to detect patterns and generate suggestions.
Use Smart Fill
1. On your computer, open a spreadsheet in Google Sheets.
2. Enter data
- Mac: Press ⌘ + Shift + Y
- Windows/Chromebook: Ctrl + Shift + Y
Tip: Click a cell to see the formula used.
Turn off Smart Fill
1. On your computer, open a spreadsheet in Google Sheets.
2. At the top, click Tools 
3. Deselect Enable auto-complete.