Question: what are the most important things to know about excel?
Answer: Conditional Formatting. Utility: 100. Difficulty: 3. ...  PivotTables. Utility: 95. Difficulty: 3. ...  Paste Special. Utility: 88. Difficulty: 3. ...  Add Multiple Rows. Utility: 87. Difficulty: 0. ...  Absolute References. Utility: 85. Difficulty: 2. ...  Print Optimisation. Utility: 84. ...  Extend formula across/down. Utility: 84. ...  Flash Fill. Utility: 84.