Some Commonwealth Bank users found themselves unable to transfer money using their banking app on Saturday morning because of an outage for maintenance work.

Commonwealth Bank — which refers to itself as CommBank for short — said the outage was planned.

It advised customers the maintenance work would render some of its services limited or unavailable from approximately midnight until about 9am AEST on Saturday.

A spokesperson for the bank confirmed to the ABC that customers were notified about the outage via the banking app several days beforehand.

Why was CommBank down?

The bank says it was performing planned maintenance .

This meant that some of the services were "limited or unavailable".

Why couldn't I transfer on CommBank?

Because it was one of the services affected by the o

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