How can I create a template file in Excel?

Create a template

Open the workbook that you want to use as a template.

Click the Microsoft Office Button Office button image, and then click Save As.

In the File name box, type the name that you want to use for the template.

In the Save as type box, click Excel Template, or click Excel Macro-Enabled Template if the workbook contains macros that you want to make available in the template.

Click Save.

Please visit link below:

https://support.office.com/en-nz/article/Save-a-workbook-or-worksheet-as-a-template-58c6625a-2c0b--ad8baec39e1e

1- Open Excel sheet.

2- click insert menu

3- Click the Spreadsheet Solutions .

4- Select the desired template.

5- Click OK.