Excel COUNTIF Not Working for Long Text: Work Around the 255-Character Limit

You may find that your COUNTIF formula returns zero or an error when trying to count cells containing long text strings. This happens because the COUNTIF function has a hidden limitation. The function cannot correctly evaluate criteria that are longer than 255 characters. This article explains this specific technical limit and provides several reliable methods … Read more

Excel Function Tooltip Disappeared or Blocking View: How to Control ScreenTips

Excel’s function tooltips, called ScreenTips, can sometimes vanish or appear in the wrong place. This happens when display settings are changed or the tooltip window gets stuck off-screen. You can regain control over these helpful hints to improve your workflow. This guide explains how to manage ScreenTip visibility and position. You will learn to restore … Read more

Excel F4 Key Not Adding Dollar Signs for Absolute Reference: Keyboard Fix

You press the F4 key in Excel to lock a cell reference, but nothing happens. The dollar signs for an absolute reference do not appear. This problem is almost always caused by a keyboard setting or a conflict with another program. This article explains the specific causes and provides the steps to restore the F4 … Read more

Excel Date Subtraction Returning #NUM! Error: How to Calculate Date Differences

You try to subtract one date from another in Excel but get a #NUM! error instead of the expected number of days. This error occurs when Excel cannot perform the calculation due to an invalid date format or a calculation that results in a negative date. This article explains why the #NUM! error appears during … Read more

Excel INDIRECT Returns #REF! When Source File Is Closed: Workarounds

Your Excel formulas using INDIRECT stop working and show a #REF! error. This happens after you close the workbook that contains the source data. The INDIRECT function cannot reference cells in closed external workbooks. This article explains why this error occurs and provides practical workarounds to maintain your dynamic references. Key Takeaways: Fixing INDIRECT #REF! … Read more

Excel Cell References Shift When Copying Formulas: Relative vs Absolute Reference

You copy a formula in Excel, but the cell references change and give the wrong result. This happens because Excel uses relative cell references by default. The program adjusts references based on the formula’s new location. This article explains the difference between relative and absolute references. You will learn how to control cell references to … Read more