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old firefox data folder - bookmark backups will not open, file extension is not .pdf

  • 3 replies
  • 1 has this problem
  • 115 views
  • Last reply by kdrache

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When I try to open these files I get an error because .jsonlz4 is not a recognized file type for Adobe Acrobat. (Imagine that!) I have attached the entire error as an image. This issue occurred when I did a Refresh of Firefox.

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Modified by kdrache

Chosen solution

You can only restore a compressed bookmarks.jsonlz4 file in the Firefox Bookmarks Manager (Library).

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Why would you like to open *.jsonlz4 file in Adobe Acrobat?

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Chosen Solution

You can only restore a compressed bookmarks.jsonlz4 file in the Firefox Bookmarks Manager (Library).

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Thank you cor-el - it seems clear I got lost in the lengthy instructions and you pointed me to the correct path.