Modern Formula Logic
27 articles
How to Fix “Calculation Options” Grayed Out for Dynamic Arrays
When Calculation Options under the Formulas tab—or the calculation settings under File > Options > Formulas—appear…
Troubleshooting “Data Type” Mismatches in XMATCH
An #N/A error in XMATCH indicates that the function cannot find your search value within the…
#EXTERNAL! Error in Linked Cloud Workbooks
The #EXTERNAL! error in Microsoft 365 and Excel for the Web indicates that a cross-workbook formula…
#TIMEOUT! in Python Excel Scripts
The #TIMEOUT! error in Excel indicates that a Python formula (=PY()) exceeded its maximum permitted execution…
#DATA! Error in Power BI Linked Data Types
The #DATA! error in Excel occurs when a cell connected to an organizational Power BI linked…
How to Fix “Spill Range” interfering with Pivot Tables
A collision between a dynamic array formula and a Pivot Table occurs when one feature attempts…
#SYNTAX! Errors in New Regex Functions (2025)
The #SYNTAX! error occurs when a modern regular expression function—such as REGEXTEST, REGEXEXTRACT, or REGEXREPLACE—receives a…
How to Fix “Formula Auto-Complete” Not Showing New Functions
If you type an equals sign and begin entering a modern function—such as REGEXTEST, GROUPBY, PIVOTBY,…
Troubleshooting “Volatility” Performance Hits with OFFSET/INDIRECT
In Excel, formula volatility describes functions that recalculate during every calculation cycle, regardless of whether their…
#VALUE! in Sequence and RandArray Formulas
A #VALUE! error in SEQUENCE or RANDARRAY indicates a data type incompatibility within the function’s input…
Troubleshooting “Dependency Tree” Corruptions in Formulas
An Excel dependency tree corruption occurs when the internal calculation chain—the memory map that dictates which…
#GETTING_DATA Stuck in Dynamic Data Types (Stocks/Geography)
The #GETTING_DATA indicator is a temporary status marker displayed while Excel queries external cloud services to…