I also experienced a crash when trying to open the file. This is why it is important to have incremental back-ups. Any file can become corrupt over time. If you don't have a back-up, you can work through this document:
Note the final section has an email address to send the file for review: "If no resolution works, share the affected file with us at firstname.lastname@example.org. We'll investigate the issue and let you know if the recovery is possible." I believe Adobe USA is closed for the week, so you might not hear back for a week or so.
There is also a commercial service that may be able to recover the file. https://markzware.com/products/file-recovery-service/
Once you regain access to the file, please be sure to make regular backups. Now you can see why it is so important.
Thank you for your reply. I did back up the document and have 3 copies from different times.
They all do the same thing when I try to open them. It just generates a crash report. I have also emailed the Idfile@adobe.com email address you provided 2 days ago and will wait for a reply. The document opens briefly and then stalls and then crashes. I can see all the content is still there but no actions can be taken while the document loads / before it crashes.
I hope a solution can be found.
Do you know if the Markzware software actually works? I have not managed to find many reviews?
I have the pdf of the report which could maybe be used to generate another indd file but I am not sure how to do it myself.
Thanks for your help.
also tried to open your attached document using InDesign 2020 on Windows 10.
Then I tried to open the file without a layout window by scripting and to export that opened file as IDML.
Also this did not work: InDesign opened the file, yes, but directly after the export began, InDesign crashed and the IDML file was left with 1 KB size only.
( ACP )
Do you think the file is ruined then? Do you think anything can recovery the file?
Thank you so much for checking!
I have no idea if this file can be converted to something reasonable.
Because I could open the document in the first place, the exported IDML file is showing this, I could imagine that the developers can do something about it. But that's all guesswork.
FWIW: For all who are interested in the scripting side when I tried to open the document without layout window:
I set the second argument of app.open() to false. Also changed enableRedraw of the app.scriptPreferences to false and userInteractionLevel to UserInteractionLevels.NEVER_INTERACT. Seems it did not help much…
( ACP )