The Excel will show zero by default, but if you want to hide them and turn zero into the blank cells in a worksheet, please see the steps below for details:
Step 1: Click the "File" Tab from the ribbon;
Step 2: Click "Options" from the left navigation menu;
Step 3: Click "Advanced" from the left navigation menu;
Step 4: Uncheck the box of "Show a zero in cells that have zero value" under the section "Display options for this worksheet";
Step 5: Click "OK" at the bottom.