The specific operation method of adding 0 before entering numbers in excel table is as follows:

1. Open the document to edit.

2. Select the Start menu, and then click the small arrow in the lower right corner of the number bar above.

3. Select the number in the pop-up cell format dialog box-> Click OK after the text.

4. So you can enter 0 before the number.

Microsoft Excel is a spreadsheet software written by Microsoft for computers using Windows and Apple Macintosh operating systems. Intuitive interface, excellent calculation function and chart tools, coupled with successful marketing, make Excel the most popular personal computer data processing software. 1993, after the release of version 5.0 of Microsoft Office component, Excel began to become the overlord of spreadsheet software on the applicable operating platform.