Created attachment 164531 [details] Original document created in MS Excel Original XLSX (created in MS Excel): - the checkbox is visible in LO - the checkbox is visible in MS Excel After resaving the original XLSX into XLSX - the checkbox is not visible in LO - the checkbox is visible in MS Excel
Created attachment 164532 [details] XLSX resaved with LO
Confirmed, never worked for LibreOffice.
*** Bug 135436 has been marked as a duplicate of this bug. ***
Same here in Kubuntu 20.04, LO 7.1.0.1. Nasty.
*** This bug has been marked as a duplicate of bug 113610 ***
Although the checkbox is now retained on save (thanks to bug 117266), the control is no longer linked to the A1 cell on import. [It works in Excel 2010 - although the control is duplicated, so export is somewhat OK.]
Justin Luth committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/7f23dae00fedc9d7119b44b6c44d9eca4f8c87b8 tdf#135987 xlsx vml export: retain checkbox link to cell It will be available in 7.6.0. 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.