Files - PDF File Preview
In files, previewing a PDF that has been uploaded or sent to files will not work for many chrome users.
Upon opening in files, it gives the error "This file can't be previewed with this browser."
This occurs if the user has google chrome, and has google chrome set to "Download PDFs" instead of "Open PDFs in Chrome."
Many people have chrome set this way. Other sites have somehow managed to make their PDF preview still work...hopefully Xero can implement this. The current setup makes it very hard to review uploaded files when they are in PDF format, as they have to be downloaded and opened, rather than properly previewing.

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michael togias commented
Same issue for me in both chrome and firefox.
Seems to be a Xero problem or at least as paid subscribers Xero should be helping it's clients overcome 3rd party issues with their product. -
Diane Mathers commented
Xero is pointing this back at the browser to resolve. However, this has worked fine for me for years in Firefox, and now it does not. I tried Chrome and have the same issue.
It makes the workflow extremely tedious.
I believe Xero is the product that has changed, and they should stop passing the buck and look into the problem.
They have told me it doesn't happen on their system, therefore it's not a problem!!!! -
Beverley Weis commented
PDF not being previewed by Firefox either now, have cleared cache & cookies, but still not working. Have tried to save the file and sent to xero but not working still getting 'this file is not supported by this browser'.
Yet i had an old file that I had previously viewed still under files - but cant preview that file now.
I dont feel it is the browser, when it was working and now not?
Xero support HELP -
Jen Heath commented
I note this issue also occurs in Firefox. Xero has advised that the issue has to be solved at the browser level so we may be hard out of luck, but perhaps Xero's dev team could ensure the PDF preview process is operating as efficiently as possible, or find a way to 'work around' these browser issues.