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Atlassian Companion - Support for XLS format


Since recently, we receive the following error when trying to Edit a xls file stored in Confluence:

Atlassian Companion can't open this type of file.

Steps to reproduce:

  1. Access the attachments on a Confluence Page
  2. Click on Edit on the XLS file that was previously attached


Additional information:

This error message doesn't happen on XLSX files stored in the same page. This issue has been reported on mutiple computers for multiple XLS files stored in different pages so I'm wondering if the support for this older file type has been dropped recently.

Filename: Test.xls

Companion: v1.2.3

Confluence Server:  7.7.4

Office: 365 (16.0.12527.21294) 32-bit

2 answers

1 accepted

1 vote
Answer accepted

Hi @Carl Gendron @Tobias Orth 

This was a new bug introduced in Companion version 1.2.3, we have subsequently released a new version, 1.2.4, that resolves this bug. Please upgrade to Companion 1.2.4 and you will be able to edit doc and xls files again. 

See the release notes page here with a link to the ticket detailing the bug

Thank you for reporting the issue!

Alex K (Developer at Atlassian)

Thanks, this Works fine!

0 votes
Alex K Atlassian Team Nov 19, 2020

Hi @Carl Gendron ,

What error message are you seeing? 

Could you open up the "companion.log" file, by right clicking the Companion tray icon and then choosing the "View Logs" menu item. If you try editing the XLS file, the latest logs will be appended to the "companion.log", do you see any errors here? 

Alex (Dev at Atlassian) 

Hi same problem here Today,


When openning the log file it seems like the companion app gets the wrong file extention:


info: adc:file-manager 2020-11-20T11:23:00.842Z Launching file on desktop: C:\Users\xxx\.atlassian-companion\81842c51-7f47-42ce-8cac-8af44cb5794d\xxx.xls
info: adc:file-manager 2020-11-20T11:23:00.843Z Trying to get file type using magic bytes:
info: adc:file-manager 2020-11-20T11:23:00.846Z shouldLaunchFileOnWindow: {"blockListSet":{},"applicationName":"Excel","fileExtention":"msi"}
info: adc:file-manager 2020-11-20T11:23:00.846Z xxx.xls has an extension [msi]
info: adc:file-manager 2020-11-20T11:23:00.847Z xxx.xls contains an extension which is on the block list of execution
info: adc:file-manager 2020-11-20T11:23:00.847Z Discard launching file because it violates block-list


instead of xls it returns the file as an MSI installer wich of course is Blocked.

Like Alex K likes this
Alex K Atlassian Team Nov 20, 2020

Thank you for sharing the error log, this issue has now been fixed in Companion 1.2.4

Like Tobias Orth likes this

I can confirm the issue is now fixed in 1.2.4.

Thank you for your help!

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