#SPILL!Supported on: Microsoft Excel® & Google Sheets™
How to Fix the #SPILL! Error in Excel & Google Sheets
The #SPILL! error is unique to modern dynamic array formulas (such as FILTER, SORT, UNIQUE, or SEQUENCE) when the formula calculates an array of results but one or more cells in the output range already contain data.
Formula Syntax Comparison
Broken Formula
=FILTER(A2:C100, B2:B100="Completed") (blocked by note in cell C5)
Corrected Formula
=FILTER(A2:C100, B2:B100="Completed")
Manual Step-by-Step Fix
1
Step 1
Click the #SPILL! error cell to view the dashed boundary indicator showing the required spill range.
2
Step 2
Clear all blocking cell contents, values, or spaces inside the dashed box.
3
Step 3
Unmerge any merged cells located in the downstream output path.