Excel  / 2003 / 2007 / 2010 / 2013 / 2016

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  How to sum cells by criteria

  Use SUMIF if you need to sum values for a particular person or other criterion.
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  Hide formulas from appearing in the edit bar

  Usually you can view a formula in the Excel cell when cell is selected, but you can protect spreadsheet to hide formulas in some cells.
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  Print comments

  If your worksheet contains comments, you can print them as they appear on the sheet or at the end of the sheet.
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  How to hide/display comment indicators

  When a comment has been inserted in a cell, the little red triangle is being displayed to indicate a comment in a cell. This tip is how to hide/display this indicator.
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  How to add elbow to the table

  This tip describes how to place into one cell both column and row header known as elbow.
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  Grouping and ungrouping sheets

  Sheets can be grouped (connected) to facilitate creating or formatting two or more identical sheets. For example, you can create one sheet and copy it to two other sheets, or you can group three blank sheets and enter and format the content once-no subsequent copying required.
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  Change the number of the most recently used workbooks

  Having your 25 most recently used workbooks on the File menu is handy, but you may find it's not enough. You can increase the number shown up to 50, and you can pin (fasten) particular workbooks to the menu so that they remain there even if you haven't used them recently.
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  Apply or remove cell borders

  Exist several ways to apply or remove cell borders, you can choose anyone:
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  Creating a chart with critical zones

  Periodical processes like volume of support service calls often have critical zones that indicate a serious problem that need to be investigated and mitigated. This tips shows how to reveal and emphasis those critical zones for analysis.
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  Saving Changes to Existing Workbooks

  Saving your document in the same location with the same name is easy.