Thanks Daniel, have successfully partitioned it this morning.

Matt.

> 
> Message: 2
> Date: Fri, 25 Nov 2016 13:19:02 +0800
> From: Daniel Kerr <[email protected]>
> To: WAMUG <[email protected]>
> Subject: Re: External HD Partitoning
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=utf-8
> 
> Yes. You can have multiple partitions and OSes on different parts.
> My working drive I use for jobs has 13 partitions on it. Installers from 
> 10.5.8 through to 10.12.1, then bootable drives in various flavours. Then a 
> ?spare? part for other things. (updates, image files etc).
> As a note, only some machine will boot certain systems. But those two should 
> be fine.
> 
> Kind regards
> Daniel
> 
> Sent from my iPhone 7
> 
> ---
> Daniel Kerr
> MacWizardry
> 
> Phone: 0414 795 960
> Email: <daniel AT macwizardry.com.au>
> Web:   <http://www.macwizardry.com.au>
> 
> 
> **For everything Apple**
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>> On 25 Nov 2016, at 1:15 pm, Matt Falvey <[email protected]> wrote:
>> 
>> Hi I am looking to partition a portable external hard drive. 
>> 
>> I am wondering if it is possible to put two different OS on the partition? 
>> (OS X 10.9.5 on one half and OS X 10.10.5 on the other.)
>> 
>> Thanks
>> 
>> Matt.
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