Created attachment 165458 [details] Spreadsheet in page size A6 Open attached document in Excel and verify, that the page size is A6. Open document in LibreOffice. The page size is A4.
Letter format in Version: 7.0.1.2 Build ID: 7cbcfc562f6eb6708b5ff7d7397325de9e764452 CPU threads: 4; OS: Linux 5.4; UI render: default; VCL: gtk3 Locale: en-US (ro_RO.UTF-8); UI: en-US Calc: threaded
A4 format in: Version: 7.1.0.0.alpha0+ (x64) Build ID: f266feaebea39668392e3a3830e20e4670344658 CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win Locale: hu-HU (hu_HU); UI: hu-HU Calc: CL Probably the locale-specific default is used. Confirming.
Szabolcs Toth committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/9dd43f97b0d8223b571573d1fe5d899fc38d89ba tdf#136721 XLSX: add missing A6 paper format It will be available in 7.1.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Verified in: Version: 7.2.0.0.alpha0+ (x64) Build ID: 368c56144aab5794c39d5bc2082d9b3d6d7cebdb CPU threads: 4; OS: Windows 10.0 Build 17134; UI render: Skia/Raster; VCL: win Locale: hu-HU (hu_HU); UI: hu-HU Calc: threaded Thanks for fixing!