Hi Peter,

I would export all the Photos & slo-mo video files and then Import into Photos:
I would have exported the slo-mo video files out of  Photos and then imported 
them into Photos

1. Select all the Photos
2. File > Export Unmodified Original for xx Photos
3. Export Originals - File Name: select Use Title or Use File Name
4. Click Export - select the folder on your desktop

Then do similar with the slo-mo video files
1. Select the slo-mo videos
2. File > Export>Export Unmodified Original for x Videos
3. Export Originals - File Name: select Use Title or Use File name
4. Click Export 

Photos will tell you when the exports have completed 

Then Import all Files into Photos library on the other Mac

Cheers,
Ronni

> On 28 May 2016, at 12:37 PM, [email protected] wrote:
> 
> Hi, I took a slo-mo video using my wifes iPhone and imported it to 'her' 
> MacBook Photos library. All going fine. Then I wanted to get that Slo-mo 
> video into 'my' Photos library on 'my' Macbook. This was along with aound 300 
> other photos and regular video files. 
> 
> The process I used was to, Photos on her MacBook select the photos (JPG) and 
> videos and then Drag them to a empty desktop created folder. Then memory 
> stick copied the folder contents, then stick into my MacBook USB and then 
> Import to Photos. Everything about this worked fine except the slo-mo video 
> files have no longer got metdata that flags them as "slo-mo" files - they are 
> seen as regualr videos. When they play back though, they play as a slo-mo 
> without the editability of the slo-mo functions as would be the case in the 
> place of origin of my wifes MacBook.
> 
> There is probably a more elegant way of doing this AND also preserving the 
> 'slo-mo' metadata and hence easy tracking and locating of them. 
> 
> Has anyone done this or know a smarter way to do this?
> 
> I thought I could place the slo-mo's into a Family folder and then pull them 
> into my MacBook from the Family folder, but I've not tried this yet.
> 
> Regards
> 
> 
> Pete

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