The following link is the download link for the Import By Excel template that is compatible with version 1.8.9:
Import Excel Templates
It contains the following templates

1. Import A/P Credit Note
2. Import A/P Debit Note
3. Import A/P Invoice
4. Import A/R Credit Note
5. Import A/R Debit Note
6. Import A/R Invoice
7. Import Cash Book
8. Import Creditor
9. Import Debtor
10. Import Journal Entry
11. Import Stock Item