添加Excel單元格註釋的三種方法：1.右鍵點(diǎn)擊單元格選擇“新建註釋”添加；2.使用快捷鍵Shift F2(Windows)或Command Option U(Mac)快速打開註釋框；3.通過鼠標(biāo)懸停查看或編輯已有註釋，也可右鍵選擇“編輯註釋”或拖動調(diào)整註釋框大小。

Adding a comment to a cell in Excel is a handy way to leave notes or explanations without changing the actual data. It's simple once you know how, and it works pretty much the same whether you're using Excel on Windows, Mac, or even the online version.

Right-click and Add Comment

The most straightforward way is using the right-click menu. Just click on the cell you want to add a comment to, then right-click. In the menu that pops up, look for “New Comment” (or sometimes “Insert Comment”). Click that, and a box will appear next to the cell where you can type your note.

• This method works across all desktop versions of Excel.
• You'll see a small red triangle appear in the corner of the cell to indicate there's a comment.
• If you're using Excel Online, the option might say “Add Comment” instead of “New Comment.”

Once you're done typing, just click outside the comment box or hit "Enter" — your note is saved.

Keyboard Shortcut for Faster Commenting

If you like working with shortcuts to save time, there's a quick one for adding comments too. After selecting the cell, press Shift F2 (on Windows) or Command Option U (on Mac). That opens the comment box directly, so you can start typing without reaching for the mouse.

This comes in handy when you're going through multiple cells and want to leave notes quickly. It's easy to forget the shortcut at first, but after a few uses, it becomes second nature.

View and Edit Existing Comments

Once a comment has been added, you don't need to re-open the menu every time you want to read or change it. Just hover your mouse over the cell with the red triangle, and the comment will pop up automatically.

If you need to make changes:

• Right-click the cell and choose “Edit Comment”
• Or use the same keyboard shortcut ( Shift F2 ) to jump straight into editing mode

You can also resize the comment box by dragging its corners if the default size is too small for your message.

基本上就這些。 Whether you're leaving yourself reminders or collaborating with others, comments are a great way to keep context without cluttering your spreadsheet.

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