Hi Mylenium and Roland, Thanks for the suggestions and for getting back to me. The first large tiled image in my previous post) is the .FLM file generated by After Effects CS3 This very large file, with all the frames in the right places takes me just a couple of seconds to generate at most because Filmstrip is available in AE CS3 (and AE CS4) as an export option. This large, tiled file is not something I have to create 'manually' in Photoshop. As far as I'm aware, to get to the equivalent of this stage alone in Adobe CC2018 I'd need to export all the frames from After Effects / Premiere / Photoshop as an image sequence in the first place. And then assemble all the elements by copy-pasting them one after the other into an empty, large Photoshop document. (Basically emulating a Filmstrip file.) Then do my edits in Photoshop as described above. And then as Mylenium mentioned, slice up, export as a sequence, and then reimport into the After Effects CC2018 timeline. Which is fine - all completely doable - and once again I appreciate your help - it's just that this would take quite a bit longer and is less direct than just exporting as a .FLM from AE CS3, editing and saving in Photoshop CS3, and then reimporting the file into the AE CS3 timeline for export as a video. Assuming I did do as you suggest though, I'd be interested to know how the Expression would work, where a large image is moved from one position to another on every frame within the Composition - if you have the time to explain I'd be grateful for your advice on this. Another use I can see for the Filmstrip format is for printing a selected set of frames as the basis of a large format poster. This could look very cool. While I appreciate that we can now take video into the Photoshop Timeline and edit the individual frames there, in my opinion the older Filmstrip format offers possibilities that go beyond drawing on / colouring etc etc individual frames one at a time. Something I tried last night, was exploring around within the files of AE CS3 until I found the Filmstrip.plugin (within the Formats folder) I then copy pasted this into what I think is the equivalent relevant location within AE CC2018 I was hoping the Filmstrip export option would then be available in AE CC2018, but unfortunately not. I tried the same for Photoshop as well, but no success there either. Assuming it's unlikely that the Filmstrip option will be reintroduced in the current Creative Cloud software, I wonder if maybe Adobe would please consider including Adobe CS3 and Adobe CS4 as available downloads within the Creative Cloud subscription. In the same way that Adobe CS6 is available to download if needed. (I only have a 30 day trial of the AECS3 at present to make use of the Filmstrip feature.) Thanks again for your time and advice. Kind regards, John
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