Step 1 : Create new working database

Step 2 :  Go to File -> Migration Assistant

Step 3 : Select Excel Templates

Step 4 :
Migration Wizard

a. Default selected database server name.

b. Select the authentication login method.

c. Make sure database to be import

d. Test Connection

Step 5 : Extract templates Path: Is the location that the excel file extract to.

Step 6 : Select all, and then extract 

Step 7 : The selected template(s) extracted to the location that select under Path.

Remark: Complete the data update to the excel file that need to import. Please remember to do a backup before any import.

Refer attachment for details