MYOB Premier 7.5 is a desktop-based, multi-user accounting solution designed for small to medium-sized enterprises (SMEs). Unlike the entry-level MYOB FirstEdge or the basic MYOB Accounting line, Premier was aimed at businesses that needed inventory tracking, job costing, and multi-user access.
If the software relies on a hardware dongle, the failure of this dongle means the software cannot be started. Replacement dongles are no longer manufactured.
Purchases (bills & payments)
Banking & reconciliation
Payroll (if module enabled)
Inventory
The reconciliation screen was simple: tick off transactions against a bank statement, and the software calculated the difference. For the ATO’s Business Activity Statement (BAS), Premier 7.5 allowed you to tag transactions with BAS codes (G1, G10, G11) and export a summary—though lodgement was still paper or via the deprecated BASlink. myob premier 7.5
Cause: Stale record-locking file (usually a .LCK or .LOC file).
Fix: Close Premier, navigate to the folder containing your .MYO file. Delete any files with the extension .LCK, .LOC, or ~*.tmp. Do not delete the .MYO or .DAT files.
While nostalgia is powerful, running MYOB Premier 7.5 in 2025/2026 is fraught with peril. Here is the unvarnished reality. MYOB Premier 7