'Error! Filename not specified' when Saving a Document from Office Connector

Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.

Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible

Symptoms

Microsoft Excel reports the error message:

1 2 Error! Filename not specified when trying to save a file back to Confluence after it's been opened by office connector.

Cause

See WBDV-52. Windows can only handle webdav strings of a certain length due to a limitation in the NTFS filesystem.

Workaround

Make the path shorter by moving the attachments further up the space hiearachy.

Updated on April 8, 2025

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