使用谷歌驱动器(如果你在Mac上，也可以使用Numbers)的解决方案:

在Excel中打开数据 将数据错误的列的格式设置为文本(format > Cells > Number > Text) 将.csv文件加载到谷歌Drive，并使用谷歌Sheets打开它 复制出错的列 将列作为文本粘贴到Excel中(编辑>粘贴特殊>文本)

或者，如果你在Mac上进行第3步，你可以在Numbers中打开数据。

在Excel 2010中打开一个新工作表。 在“数据”ribbon上单击“从文本中获取外部数据”。 选择您的CSV文件，然后单击“打开”。 单击“下一步”。 取消“Tab”，在“逗号”旁边打勾，然后点击“下一步”。 单击第一列上的任意位置。 按住shift键拖动滑块，直到可以单击最后一列，然后松开shift键。 点击“文本”单选按钮，然后点击“完成”

所有列都将作为文本导入，就像它们在CSV文件中一样。

我在Excel 2003和2007中找到了一个简单的方法。打开一个空白的xls工作簿。然后进入数据菜单，导入外部数据。选择您的csv文件。通过向导，然后在“列数据格式”中选择任何需要强制“文本”的列。这将以文本格式导入整个列，防止Excel试图将任何特定的单元格作为日期处理。

这是我知道如何在不搞乱文件本身的情况下完成这一点的唯一方法。就像使用Excel一样，我用头在桌子上敲了几个小时才学会这一点。

Change the .csv file extension to .txt; this will stop Excel from auto-converting the file when it's opened. Here's how I do it: open Excel to a blank worksheet, close the blank sheet, then File => Open and choose your file with the .txt extension. This forces Excel to open the "Text Import Wizard" where it'll ask you questions about how you want it to interpret the file. First you choose your delimiter (comma, tab, etc...), then (here's the important part) you choose a set columns of columns and select the formatting. If you want exactly what's in the file then choose "Text" and Excel will display just what's between the delimiters.

I know this is an old question, but the problem is not going away soon. CSV files are easy to generate from most programming languages, rather small, human-readable in a crunch with a plain text editor, and ubiquitous. The problem is not only with dates in text fields, but anything numeric also gets converted from text to numbers. A couple of examples where this is problematic: ZIP/postal codes telephone numbers government ID numbers which sometimes can start with one or more zeroes (0), which get thrown away when converted to numeric. Or the value contains characters that can be confused with mathematical operators (as in dates: /, -). Two cases that I can think of that the "prepending =" solution, as mentioned previously, might not be ideal is where the file might be imported into a program other than MS Excel (MS Word's Mail Merge function comes to mind), where human-readability might be important. My hack to work around this If one pre/appends a non-numeric and/or non-date character in the value, the value will be recognized as text and not converted. A non-printing character would be good as it will not alter the displayed value. However, the plain old space character (\s, ASCII 32) doesn't work for this as it gets chopped off by Excel and then the value still gets converted. But there are various other printing and non-printing space characters that will work well. The easiest however is to append (add after) the simple tab character (\t, ASCII 9). Benefits of this approach: Available from keyboard or with an easy-to-remember ASCII code (9), It doesn't bother the importation, Normally does not bother Mail Merge results (depending on the template layout - but normally it just adds a wide space at the end of a line). (If this is however a problem, look at other characters e.g. the zero-width space (ZWSP, Unicode U+200B) is not a big hindrance when viewing the CSV in Notepad (etc), and could be removed by find/replace in Excel (or Notepad etc). You don't need to import the CSV, but can simply double-click to open the CSV in Excel. If there's a reason you don't want to use the tab, look in an Unicode table for something else suitable. Another option might be to generate XML files, for which a certain format also is accepted for import by newer MS Excel versions, and which allows a lot more options similar to .XLS format, but I don't have experience with this. So there are various options. Depending on your requirements/application, one might be better than another. Addition It needs to be said that newer versions (2013+) of MS Excel don't open the CSV in spreadsheet format any more - one more speedbump in one's workflow making Excel less useful... At least, instructions exist for getting around it. See e.g. this Stackoverflow: How to correctly display .csv files within Excel 2013? .

这周我刚刚遇到了这个惯例，它似乎是一个很好的方法，但我在任何地方都找不到它。有人熟悉吗?你能举出出处吗?我没有找了几个小时，但我希望有人会认识到这种方法。

例1:=("012345678905")显示为012345678905

例2:=("1954-12-12")显示为1954-12-12，而不是12/12/1954。