To configure COUNTIFS (or COUNTIF) with a variable range, you can use the OFFSET function. In the example shown, the formula in B11 is:
=COUNTIFS(OFFSET(B$5,0,0,ROW()-ROW(B$5)-1,1),"<>")
This formula...

To find the position (row) of the last file revision in a table, you can use a formula based on several Excel functions: MAX, IF, ISERROR, ROW, and INDEX.
In the example shown, the formula in cell H6 is:
{=MAX(IF(...

If you need to sum or add the bottom values in a range, you can do so with a formula that uses the SMALL function wrapped inside the SUMPRODUCT function. In the generic form of the formula (above), rng represents a...

To copy values or generate references with a pattern like every 3rd row, every 7th line, etc. you can use a formula based on the the OFFSET and ROW functions. In the example shown, the formula in D5 is:
=OFFSET($B$5,(...

You can get the first row (i.e. the starting row number) in a range with a formula based on the ROW function.
In the example shown, the formula in cell F5 is:
=MIN(ROW(data))
where data is a named range for B5:D10...

To abbreviate text that contains capital letters, you can try this array formula based on the TEXTJOIN function, a new function available in Office 365 and Excel 2019. You can use this approach to create initials from...

To get the address of the first cell in a named range, you can use the ADDRESS function together with the ROW and COLUMN functions.
In the example shown, the formula in G5 is:
=ADDRESS(ROW(data),COLUMN(data))
How...

To create an array of numbers like {1;2;3;4;5} you can use a formula based on the ROW and INDIRECT functions. This technique is most often used in array formulas that need a numeric array for processing of some kind. In...

To get the full address of a named range with an Excel formula, you can use the ADDRESS function together with the ROW and COLUMN functions. In the example shown, the formula in G5 is:
=ADDRESS(ROW(data),COLUMN(data),...

To count with repeating numbers (for example: 1111,2222,3333,4444, etc.) you can use a formula based on the ROUNDUP function, with help from either ROW or COLUMN.
In the example shown, the formula in C4 is:
=ROUNDUP...

To remove numeric characters from a text string, you can try this experimental formula based on the TEXTJOIN function. In the example shown, the formula in C5 is:
=TEXTJOIN("",TRUE,IF(ISERR(MID(B5,ROW(...

To get the position of the nth match (for example, the 2nd matching value, the 3rd matching value, etc.), you can use a formula based on the SMALL function. In the example shown, the formula in G5 is:
=SMALL(IF(list=...

To highlight rows in groups of "n" (i.e. shade every 3 rows, every 5 rows, etc.) you can apply conditional formatting with a formula based on the ROW, CEILING and ISEVEN functions.
In the example shown, the formula...

To count the number of Mondays, Fridays, Sundays, etc. between two dates you can use an array formula that uses several functions: SUMPRODUCT, WEEKDAY, ROW, and INDIRECT. In the example shown, the formula in cell E6 is...

To get the address of the first cell in a named range, you can use the ADDRESS function together with ROW and COLUMN functions.
In the example shown, the formula in G6 is:
=ADDRESS(ROW(data)+ROWS(data)-1,COLUMN(data...