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Cannot preview PDF files in Outlook through Firefox

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Hi Mozilla & friends :)

Never had this issue before yesterday (Monday September 27th), but it seems Firefox just won't preview my PDF files in Outlook anymore. I've tried all the options in the Settings > Applications menu, but nothing will work.

"Something went wrong while the document preview was being created. Please try again later."

Outlook and Firefox have been my work email/browser combination for the last 2 years and I've never encountered this problem before.

Help?

Hi Mozilla & friends :) Never had this issue before yesterday (Monday September 27th), but it seems Firefox just won't preview my PDF files in Outlook anymore. I've tried all the options in the Settings > Applications menu, but nothing will work. "Something went wrong while the document preview was being created. Please try again later." Outlook and Firefox have been my work email/browser combination for the last 2 years and I've never encountered this problem before. Help?

Isisombululo esikhethiwe

One possible reason for the inability to preview is that the page is requesting a file that doesn't exist:

https://outlook-1.cdn.office.net/owamail/20210927003.01/scripts/owa.vendors~SxSPdfWorker.js

the 20210927 in that path looks like yesterday's date, so I suspect there was a recent change on the site.

Currently, I think the only workaround would be to use the Download option to view the PDF in a separate tab. If you have the default setting ("Open in Firefox") or prefer to always get the download dialog ("Always Ask"), then Firefox will offer this option. If you set Firefox to always save PDFs or always open PDFs in another program, then that would happen instead. (To view/modify PDF handling settings, see the steps in this article: View PDF files in Firefox or choose another viewer.)

Funda le mpendulo ngokuhambisana nalesi sihloko 👍 0

All Replies (3)

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Hmm, two other users just posted about a problem with previewing PDFs on Outlook. Possibly there was a change on the site, or to an add-on popular with Firefox users. I'm sure we'll be learning more in the coming hours.

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Isisombululo Esikhethiwe

One possible reason for the inability to preview is that the page is requesting a file that doesn't exist:

https://outlook-1.cdn.office.net/owamail/20210927003.01/scripts/owa.vendors~SxSPdfWorker.js

the 20210927 in that path looks like yesterday's date, so I suspect there was a recent change on the site.

Currently, I think the only workaround would be to use the Download option to view the PDF in a separate tab. If you have the default setting ("Open in Firefox") or prefer to always get the download dialog ("Always Ask"), then Firefox will offer this option. If you set Firefox to always save PDFs or always open PDFs in another program, then that would happen instead. (To view/modify PDF handling settings, see the steps in this article: View PDF files in Firefox or choose another viewer.)

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Thank you for the follow-up and possible workaround if it ever starts happening again.

It ended up being a temporary thing. It lasted from Monday the 27th to Thursday 30th and it just came back to normal this afternoon. I didn't have to change a thing, so maybe they fixed something on their end?

Anyhow, thanks again M. Scher.