#11774 Use lower case file extensions for document attachment file names

GetAttachmentFileName on Electronic Document Format now lower cases the file extension, so documents saved to disk or zipped through document sending profiles get .pdf, .xml or .zip instead of upper case extensions. The procedure signature and events are unchanged.

6files

1AL files

1objects

Pull request · merged into main (BC30) on 2026-09-29 by darjoo · 6 files (+80 -5), 1 AL · fix · tier official · reviewed (checked by Opus)

What changed

GetAttachmentFileName() method now converts file extensions to lower case when building default file names
Affects document sending profiles for both disk and zip file storage
Fixes file names for electronic documents (XML) and PDF exports via Report Selections
No changes to procedure signatures or public events
Added comprehensive tests including unit tests and end-to-end scenarios
Behaviour changes for users or extensions.

AL objects touched

Table 61 “Electronic Document Format”, Base Application: modified

Context

Work items: AB#647180
Labels: AL: Apps (W1), Team: Integrations
Systems: platform
From the description: “PDF files must use the lower case .pdf extension.”

Source: metadata of a merged pull request in microsoft/BCApps (bcapps): title, labels, changed paths and counts, with a summary in our words. No source text and no description beyond one short quote (D10, D61).