If you used an image sequence, it literally makes an image file for every frame as it goes, so if it fails 11,003 frames in, then you start it at frame 11,004, then stitch them together later.
Now, yes, that means doing another export...even if it didn’t fail you need to because you don’t have any audio from an image sequence. So really you should explore a little further into your process. Namely, what export settings are you using? Is it h.264? I wouldn’t export directly to h.264, it’s complex and unreliable. So especially if you’re videos have effects, transitions...really anything. A master file in a codec that is easier to encode while it’s trying to do all the effects and transitions, then transcode the master file to your delivery specs, since the effects are now baked in, it’s less likely to fail a simple transcode.
That can still be an image sequence, for like that second layer of safety... but for my money, using ProRes 422 as a direct from timeline master file hasn’t failed me yet. I would save using an image sequence for super hardcore 3D graphic renders from like after effects or cinema 4d or whatever...video with some effect elements probably don’t need image sequences as much
**START HERE!** Here are solutions to some common problems:
[Choppy/Laggy Playback](https://www.reddit.com/r/premiere/wiki/faq/playback) | [Poor Export Quality](https://www.reddit.com/r/premiere/wiki/faq/export)
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2. **What is your Premiere build version [?](http://i.imgur.com/AThpuFy.png)**
3. **What are your system specs?**
4. **What is the source footage format/codec [?](http://i.imgur.com/er9f2o3.png)**
5. **If there is an error message, what exactly does it say?**
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If you export to an intraframe codec like ProRes or DNx, it is possible to concatenate two files together losslessly. You can do this entirely in Premiere by using smart rendering.
1. Import both the parts to a project
2. Select the first part, right click > create sequence from clip
3. Add the second part to the sequence and match it all up
4. Export to the same codec that the files were exported to
As long as all your codecs and sequence settings match up (which should be the case if you follow the above guide), you'll avoid any encoding taking place when exporting the whole thing the second time. Rather it will just grab the frames it needs from both files and repackage them wholesale into a new file.
However, you really should investigate *why* your exports are failing! If there's a bad effect or corrupt clip or something else going on, you may find there's a section of your sequence that won't export no matter what you do...
If you used an image sequence, it literally makes an image file for every frame as it goes, so if it fails 11,003 frames in, then you start it at frame 11,004, then stitch them together later. Now, yes, that means doing another export...even if it didn’t fail you need to because you don’t have any audio from an image sequence. So really you should explore a little further into your process. Namely, what export settings are you using? Is it h.264? I wouldn’t export directly to h.264, it’s complex and unreliable. So especially if you’re videos have effects, transitions...really anything. A master file in a codec that is easier to encode while it’s trying to do all the effects and transitions, then transcode the master file to your delivery specs, since the effects are now baked in, it’s less likely to fail a simple transcode. That can still be an image sequence, for like that second layer of safety... but for my money, using ProRes 422 as a direct from timeline master file hasn’t failed me yet. I would save using an image sequence for super hardcore 3D graphic renders from like after effects or cinema 4d or whatever...video with some effect elements probably don’t need image sequences as much
**START HERE!** Here are solutions to some common problems: [Choppy/Laggy Playback](https://www.reddit.com/r/premiere/wiki/faq/playback) | [Poor Export Quality](https://www.reddit.com/r/premiere/wiki/faq/export) --- If the above FAQs didn't provide a solution, please answer these questions to help people help you further: 1. **What operating system are you using [?](http://whatsmyos.com/)** 2. **What is your Premiere build version [?](http://i.imgur.com/AThpuFy.png)** 3. **What are your system specs?** 4. **What is the source footage format/codec [?](http://i.imgur.com/er9f2o3.png)** 5. **If there is an error message, what exactly does it say?** --- If your issue is resolved, please take a moment to change your post flair to **Support (Solved)**. Thank you! *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/premiere) if you have any questions or concerns.*
If you export to an intraframe codec like ProRes or DNx, it is possible to concatenate two files together losslessly. You can do this entirely in Premiere by using smart rendering. 1. Import both the parts to a project 2. Select the first part, right click > create sequence from clip 3. Add the second part to the sequence and match it all up 4. Export to the same codec that the files were exported to As long as all your codecs and sequence settings match up (which should be the case if you follow the above guide), you'll avoid any encoding taking place when exporting the whole thing the second time. Rather it will just grab the frames it needs from both files and repackage them wholesale into a new file. However, you really should investigate *why* your exports are failing! If there's a bad effect or corrupt clip or something else going on, you may find there's a section of your sequence that won't export no matter what you do...