I have received a .dat backup copy of an Access Database, how can I open this and use it?

You can try right-clicking on the file and select open with Microsoft Access.

You can try right-clicking on the file and select open with Microsoft Access.

I have tried that already, however thanks for replying. The .dat file was created with an Iomega 100MB Zip Drive, I have got the drive but unfortunately I do not have the disk with the software.

Is that USB or SCSI zip drive?

Try downloading Iomega (http://www.download.com/IomegaWare/3000-2122_4-10200788.html?tag=lst-0-3)