Fonts7xlsx corruptions documentserver docker compose and owncloud

Hi to all i have a strange behavior when some of my users open files xlsx (not all but someone) they found corrupted files xlsx with this characters inside (from owncloud 10.15.2 and the official app connecting to dockercompose onlyoffice community edition)

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<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default  Extension="vml" ContentType="application/vnd.openxmlformats-officedocument.vmlDrawing"/><Default  Extension="wmf" ContentType="image/x-wmf"/><Default  Extension="png" ContentType="image/png"/><Default  Extension="jpeg" ContentType="image/jpeg"/><Default  Extension="xml" ContentType="application/xml"/><Default  Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Default  Extension="bin" ContentType="application/vnd.openxmlformats-officedocument.oleObject"/><Override  PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/><Override  PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/><Override  PartName="/xl/persons/person.xml" ContentType="application/vnd.ms-excel.person+xml"/><Override  PartName="/xl/threadedComments/threadedComment1.xml" ContentType="application/vnd.ms-excel.threadedcomments+xml"/><Override  PartName="/xl/worksheets/sheet2.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/><Override  PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/><Override  PartName="/xl/threadedComments/threadedComment2.xml" ContentType="application/vnd.ms-excel.threadedcomments+xml"/><Override  PartName="/xl/theme/theme1.xml" ContentType="application/vnd.openxmlformats-officedocument.theme+xml"/><Override  PartName="/xl/comments2.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml"/><Override  PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/><Override  PartName="/xl/comments1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml"/><Override  PartName="/xl/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"/><Override  PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"/></Types>PK																					
																					
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what can i look for to solve the issue? thanks in advance.

Hello @malviven7,
Please provide any sample file the issue is reproduced with and specify your version of Document Server. You can find it by clicking the About button on the left toolbar of the document editor interface.

Thanks for your quick reply, i have onlyoffice document server CE 8.3.3.18 from a docker installation

“image: onlyoffice/documentserver:latest”
Comitati Referendari Aziendali - FLAI.xlsx (24.0 KB)
and i attach a file xlsx the files (and the document server) is opened through owncloud (ver 10.15.2 on ubuntu server) from the official app of owncloud downladed and installed from marketplace the version is 9.9.1. The document was edited from 3 peoples .

Thank you for the file. Can you please specify its source? It seems the file itself is corrupted, MS Excel shows this warning when trying to open it:


and then displays the same content as we do, so the I don’t think the issue is related to ONLYOFFICE.

Hi and thanks for your response, the file (i’m sure for three of those files and in particulary for this that i uploaded) was built with the office365 suite by a collegue of us and than uploaded to owncloud at disposal of the three users. After the corruption my collegue restored a version of the file and afterthat all went smoothly… Same event also for the other three files (in different moments and by different users) but the corruption happens on xlsx files.

Was the file corrupted after being edited with ONLYOFFICE editors? If yes, please attach an original file and specify the actions that were done in the file so we try to reproduce the issue in our environment.

1 Like

Hi , i have informed the group of collegues for retrieve all the info and file that need. As soon as i receive it i’ll inform you. Thanks (i hope not a long wait)

Hi @Carl finally (sorry for the delay) i have two files belonging to a case of corruption. Same file one restored from versioning and same file corrupted. The file was opened by one user only via web-application in chrome browser.
FILCAMS - 2025 presenze_CORROTTO.xlsx (347.3 KB)
FILCAMS - 2025 presenze.xlsx (347.4 KB)
CORROTTO stay for corrupted (we are italians)

Hello @malviven7,
Do you have any scenario of how the issue can be reproduced? What change do I need to add to the file for it to become corrupted?
Looking forward to your reply.

Hi and thanks for your quick response, my collegue said that she add some data on the sheet related tu “LUGLIO” aka july… nothing more nothing less and saved the file. after that the file become corrupted. At the moment we haven’t nothing more related to the event.