My thanks for those most useful comments Neil
Severin Crisp

> On 20 Jan 2016, at 11:43 AM, Neil Houghton <n...@possumology.com> wrote:
> 
> Hi Marcus,
> 
> I must admit, I’m still not quite clear on what you are doing or why.
> 
> What do you mean by “OSX Dropbox rather than the App Drop Box.”
> 
> There are Dropbox apps for IOS and OSX.
> 
> The OSX Dropbox app keeps files in your OSX Dropbox folder synched with your 
> off-site Dropbox folders (in Dropbox’s server cloud). The OSX Dropbox folder 
> lives in your OSX user folder, alongside your OSX Documents folder.
> 
> The IOS Dropbox app (which you may or may not use) works slightly differently 
> – it gives you access to your off-site (cloud) Dropbox files (as long as you 
> are connected to the net) but, primarily due to the storage limitations of 
> mobile devices, it does not store any copies of these files on your mobile 
> device UNLESS you choose to make an offline copy of that file for access when 
> your mobile device is not online.
> 
> Your time machine disk drive (depending how you have configured time machine) 
> keeps a comprehensive back-up of your computer and all your files but, as you 
> note, this will not be much use if some event causes loss of both your iMac 
> AND the time machine disk. So an off-site back-up is certainly recommended.
> 
> Dropbox is really meant to be a synching app, rather than a back-up app but, 
> having said that, it does provide a level of off-site back-up and I do use it 
> for that myself – but it is important to remember that it is only providing 
> synch/backup to those items in your OSX Dropbox folder – any other items on 
> your computer (eg in your documents, pictures, music, movies, downloads 
> folders or on your desktop) will not be saved through Dropbox – so if your 
> only backup is your time machine disk drive and you lose that with your iMac 
> – then those files are lost forever!
> 
> I would strongly recommend spending a bit of time browsing through the 
> Dropbox Help Centre <https://www.dropbox.com/help> to get a better 
> understanding of the ins and outs of using Dropbox. If you DO ever loose both 
> your iMac AND the time machine disk, it will be very important to understand 
> exactly how Dropbox works to be able to maximise your Dropbox recovery 
> options and not also lose your Dropbox files.
> 
> 
> HTH
> 
> 
> 
> Neil
> -- 
> Neil R. Houghton
> Albany, Western Australia
> Tel: +61 8 9841 6063
> Email: n...@possumology.com
> 
> 
> 
> 
> 
> 
> on 19/1/16 21:35, Marcus F Harris at cryptodo...@me.com wrote:
> 
>> Thank you Neil and Steven,
>> I'm wondering if you are referring to OSX Dropbox rather than the App Drop 
>> Box. 
>> I have the impression that the purchased Drop Box (Trade Marked) does sync 
>> files across platforms. But I would then have to start working my files 
>> exclusively in Drop Box. Hadn't thought of that. Good idea if I remembered 
>> to copy back to Documents. At 72 I'm a bit forgetful.
>> 
>> I've chosen to copy my files to Drop Box to have them off-site from my home. 
>> That's because  my time machine disc drive is cabled directly to my iMac and 
>> any misfortune to both  together on my desk would be most unfortunate.
>> Thanks again for reminding me to hold down option key to copy then paste.
>> Regards
>> Marcus
>> 
>> Message sent from Marcus's iThing
>> 
>> On 19 Jan 2016, at 20:23, Stephen Chape <chap...@bigpond.com> wrote:
>> 
>>> Hi Marcus,
>>> I have never dragged and dropped to Dropbox.
>>> When I save a file in my Mac Dropbox folder it is automatically saved 
>>> offsite to Dropbox.
>>> 
>>> So I am not sure why you want to do this ?
>>> 
>>>> On 19 Jan 2016, at 6:18 PM, Neil Houghton <n...@possumology.com> wrote:
>>>> 
>>>> Re: SAVING TO DROPBOX (TM) 
>>>> Hi Marcus,
>>>> 
>>>> Drag & drop always moves the file, rather than copying, unless you are 
>>>> dragging to another disk or volume – when it does copy the file to the 
>>>> other disk/volume and leaves the original where it is. As Mike says, if 
>>>> you want to copy the file to another location on the same disk/volume hold 
>>>> down the option key while you drag the file.
>>>> 
>>>> Remember that “Dropbox” is an actual folder on your computer – this is the 
>>>> folder that Dropbox keeps in synch, through the cloud, with your other 
>>>> computers.
>>>> 
>>>> So if you copy the file from your documents folder to the dropbox folder 
>>>> (rather than moving it) you will then have two instances of the file on 
>>>> your computer. Now you MAY want this, eg to keep an archive version, or a 
>>>> temporary work version, in your documents folder, BUT you then need to be 
>>>> very careful which version you work on!
>>>> 
>>>> Any modifications to the file in your documents folder will not be 
>>>> reflected in the dropbox version (on your computer, other computers or in 
>>>> the cloud) and vice versa. Similarly if you continue to work on your 
>>>> dropbox version, the version in your documents folder will be out of date.
>>>> 
>>>> As I say, you may have a good reason to keep different versions of the 
>>>> file on your computer but, if it was me, to avoid confusion (or 
>>>> accidentally working on the wrong version) I would name the files 
>>>> differently – eg add a suffix to reflect the status of the particular 
>>>> version – could be temp or archive or as simple as a rev indicator: 1, 2, 
>>>> 3 or a, b, c.
>>>> 
>>>> 
>>>> Just a thought.
>>>> 
>>>> 
>>>> 
>>>> Cheers
>>>> 
>>>> 
>>>> Neil
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____________________________________________________

             Assoc Prof R Severin Crisp, FAIP, FIP, CPhys
15 Thomas St, Mount Clarence, Albany, 6330, Western Australia
                  ph (08) 9842 1950 ( Int'l +61 8 9842 1950)
                           mail to: sevcr...@westnet.com.au
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