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Excel身份证变E+17我试了3招找回

  • 2026-09-23 15:55:35
Excel身份证变E+17我试了3招找回

Excel身份证变E+17我试了3招找回

上周三下午,行政的同事发来一个表格,让我把几十个员工身份证号核一遍。

我打开一看,整个人都不好了。身份证号全变成了一串 1.23E+17 这样的玩意儿,还有几个尾数直接成了 000。我问她怎么录的,她说就正常复制粘贴进去的,粘完就成这样了,还问我是不是她电脑坏了。

这不是电脑坏了,是 Excel 的老毛病。

Excel 记数字,精度最多到 15 位,身份证号有 18 位,超出了它能记的范围,后面几位它记不住,就擅自给你抹成 0,再显示成科学计数法。所以凡是身份证号、银行卡号、手机号这种长数字,直接往 Excel 里输,十有八九要翻车,而且翻得很隐蔽,你当时可能没注意,等发现问题,数据已经坏了。

这里要提醒一句,数据一旦变成科学计数法,后面被抹掉的数字就真的找不回来了,Excel 不会帮你留底。所以那些已经变坏的身份证号,别指望在原表里还能恢复出完整的号,只能靠我下面的办法重新整理格式,或者拿原始数据重新录一遍。这也是我为什么要把这几个办法记下来,遇到一次就是一次血泪。

我那天下午折腾了两个多小时,试了好几种办法,最后留下三个管用的,按好用程度排个序。

第一个,也是我以后最常用的,输之前先把格子设成文本。

操作很简单:要填身份证的那一列,先整列选中,右键,选设置单元格格式,在数字那一栏里点文本,确定,然后再往里面输身份证号,它就会老老实实按原样显示,一个数字都不丢。

要是嫌麻烦,还有一个更快的土办法,输入之前先敲一个英文单引号,就是键盘上逗号旁边那个符号,比如先敲个引号再输身份证号,输完回车,引号不会显示出来,身份证号也是完完整整的。这个小撇号就是告诉 Excel,别拿我当数字,我这是文字。

第二个办法,是专门救已经变坏的。

如果你和我同事一样,数据已经粘进去了,全是 E+17,别慌,还有救。选中那列,点菜单栏的数据,找分列,一路点下一步,到第三步让你选列数据格式的时候,点文本,完成。这时候你会发现,那些科学计数法全变回完整的身份证号了。原理很简单,就是强制让 Excel 把这一列当文字重新认一遍。

我同事那几十个号,就是用这招救回来的,一分钱没花,几分钟搞定。

第三个办法,是批量粘贴的时候用的。

如果身份证号在别的表格或者网页里,你要一次性贴一大堆,直接 Ctrl+V 大概率又变 E+17。稳妥的做法是,先把目标列设成文本格式,然后粘贴的时候选选择性粘贴,再选文本,这样整批数据都会以文字的形式进来,不会变科学计数法。或者更粗暴一点,先把数据贴到记事本里,再从记事本复制,贴到已经设好文本格式的 Excel 里,中间过一道手,就什么问题都没有了。

我那天就是先用第二个办法把坏数据救回来,又用第三个办法重新录了一批新员工的号,从下午三点折腾到五点,总算是把表格整利索了。

顺带说一句,手机号虽然只有 11 位,一般不会触发科学计数法,但有些带 +86 前缀或者特别长的号码,偶尔也会出问题,最稳妥的做法还是统一设成文本格式,一劳永逸。

顺便说几个容易踩的小坑。一个是,分列恢复的时候,一定要在第三步选文本,我一开始偷懒没选,直接点完成,出来还是 E+17,白忙活。另一个是,恢复完的身份证号,单元格左上角可能会有个小绿三角,那是 Excel 在提醒你这是个文本,不用管它。还有,一个表格里很容易混着两种格式的身份证号,有的文本有的数字,看起来一模一样,拿去匹配却怎么都对不上,这时候全选那列再走一遍分列,统一转成文本,两边就一致了。如果你要拿身份证号去匹配、去重、做 VLOOKUP,记得先把格式统一这一步做了。

对了,如果你就是想让身份证号显示成纯数字的样子,又不想变科学计数法,可以在单元格格式里选自定义,输入一串十八个零,也能凑合着显示,但这个属于偏方,没有前两个办法稳。

回头我把这招教给行政同事的时候,她感叹了一句,说她做了五年表格,从来不知道还有分列这个功能。我说你以后录身份证号之前,记得先把格子设成文本,就再也不用受这个罪了。

评论区聊聊,你有没有被 Excel 的科学计数法坑过,除了身份证,还丢过什么更重要的数字?

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0.083596s