{"action":"created","issue":{"url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/139","labels_url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/139/labels{/name}","comments_url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/139/comments","events_url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/139/events","html_url":"https://github.com/eligrey/FileSaver.js/issues/139","id":65568335,"number":139,"title":"xlsx file Open with issue Firefox only","user":{"login":"charul2007","id":7284363,"avatar_url":"https://avatars.githubusercontent.com/u/7284363?v=3","gravatar_id":"","url":"https://api.github.com/users/charul2007","html_url":"https://github.com/charul2007","followers_url":"https://api.github.com/users/charul2007/followers","following_url":"https://api.github.com/users/charul2007/following{/other_user}","gists_url":"https://api.github.com/users/charul2007/gists{/gist_id}","starred_url":"https://api.github.com/users/charul2007/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/charul2007/subscriptions","organizations_url":"https://api.github.com/users/charul2007/orgs","repos_url":"https://api.github.com/users/charul2007/repos","events_url":"https://api.github.com/users/charul2007/events{/privacy}","received_events_url":"https://api.github.com/users/charul2007/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-31T23:30:00Z","updated_at":"2015-03-31T23:39:56Z","closed_at":null,"body":"I am using excel-builder.js library to create the excel data and FileSaver.js to save this file.\r\nBelow is my code for saving: \r\n\r\ntestDataWorkbook.addWorksheet(testData);\r\n\r\nsaveAs(ExcelBuilder.createFile(testDataWorkbook, {\r\n    type: \"blob\"\r\n}), \"test.xlsx\");\r\n\r\nWhich works just fine in chrome and IE.\r\nThe problem I am getting with Firefox is while doing \"Open with\" the file which gets created is \r\n\"test.xlsx.zip\" which then throws a warning of different format than specified by the file extension.\r\n\r\nAny help on the issue is much appreciated."},"comment":{"url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/comments/88285503","html_url":"https://github.com/eligrey/FileSaver.js/issues/139#issuecomment-88285503","issue_url":"https://api.github.com/repos/eligrey/FileSaver.js/issues/139","id":88285503,"user":{"login":"eligrey","id":46995,"avatar_url":"https://avatars.githubusercontent.com/u/46995?v=3","gravatar_id":"","url":"https://api.github.com/users/eligrey","html_url":"https://github.com/eligrey","followers_url":"https://api.github.com/users/eligrey/followers","following_url":"https://api.github.com/users/eligrey/following{/other_user}","gists_url":"https://api.github.com/users/eligrey/gists{/gist_id}","starred_url":"https://api.github.com/users/eligrey/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/eligrey/subscriptions","organizations_url":"https://api.github.com/users/eligrey/orgs","repos_url":"https://api.github.com/users/eligrey/repos","events_url":"https://api.github.com/users/eligrey/events{/privacy}","received_events_url":"https://api.github.com/users/eligrey/received_events","type":"User","site_admin":false},"created_at":"2015-03-31T23:39:56Z","updated_at":"2015-03-31T23:39:56Z","body":"Hmm, that seems to be from Firefox checking magic numbers and realizing it's a zip (xlsx is a zip file filled with a bunch of XML) even though there are other zip-contained formats like the one you're using. I suggest that you also file this issue on https://bugzilla.mozilla.org/ and link to the issue here after filing it there, so I can keep up with the issue as well."}}