Instead of adding spaces in front of contents, you can indent to have your contents look professional. To indent your contents with even distribution, please follow the steps below:
Step 1: Select the cell or area;
Step 2: Right click to bring up the dialog box, from the list, click "Format cells";
Step 3: Select "Distributed (Indent)" from the drop down list;
Step 4: Click "OK" at the bottom.