To prefix mobile numbers with the India country code (+91), use the following methods:
Do you have a unique use case for the Excel 91 Formula? Share it in the comments below! excel 91 formula
Use for static lookups and LET + FILTER for dynamic ranges. However, for pre-2021 Excel or when you need a range reference (not just a value), the 91 formula remains relevant. To prefix mobile numbers with the India country
=AND(ISFORMULA(A1), ISERROR(A1))
You import data into Excel, or you try to subtract one date from another. Instead of seeing a date like "April 1, 1900," you see the number . Alternatively, you might be trying to calculate the number of days between two dates and the result seems off by exactly 91 days. However, for pre-2021 Excel or when you need
Returns TRUE if cell A1 has a formula that results in #DIV/0! , #N/A , or #VALUE! . This is your "91 Exception Report."
Insert a new column next to your raw phone numbers (assume raw data is in cell A2 ). Enter the formula = "+91" & A2 in cell B2 .