Severe slowdown when working with XLSX files in version 9.0.x compared to latest 8.x

[Constantine]

Hello @stefanovesca

If you want to share a file for analysis, please refer to following conditions for level promotion:

Community rules

Dear @lop25 When a user enters the forum, they are granted with very first level of trust that does not allow attaching the files to their posts and relies. This possibility becomes available once user reaches next level of trust. The conditions for that are as follows: Entering at least 5 topics Reading at least 30 posts Spend a total of 10 minutes reading posts I hope it helps.

Alternatively, you can upload the file to any cloud storage to share a link.