Laurențiu Leahu-Vlăducu

I can also confirm this issue. As @heafox mentioned, a key_not_found exception is thrown. This happens with files saved in the **Strict Open XML Spreadsheet** format supported by Office 2013...

I can confirm that this issue is present in xlnt v1.5.0 (latest stable release). The fix from @nschlia worked very well, thank you! However, compiling xlnt from the latest commit...

I can confirm that this issue is present in xlnt v1.5.0 (latest stable release). However, compiling xlnt from the latest commit (currently 3a279fc from 2021-08-22) fixed this issue, so it...

I also have the same problem. The web version of Wire ([https://app.wire.com/](https://app.wire.com/)) allows a password with a maximum length of 120 characters. After setting a password with a length of...

In order to support older versions of Windows and also because of performance reasons (as explained in #2842), we were forced to write a few wrappers that handle old versions...

I almost forgot: there's also a related issue about `clock_cast` in #2446, if anyone is interested. As explained there, I also wrote a small wrapper that ignores leap seconds.

> I've got a workaround by deploying the icu.dll next to the app (loading this dll before the code above is invoked) and deploying the ICU data files to C:\Windows\Globalization\ICU....

@zlojvavan I have never checked it out until now, because we built our own solution like I explained above, since we thought that it would be a very bad idea...

By the way, there's a [documentation page from Microsoft about ICU](https://learn.microsoft.com/en-us/windows/win32/intl/international-components-for-unicode--icu-). There they also explain that `icuuc.dll` and `icuin.dll` were only needed for the older Windows 10 versions 1703, 1709,...

I used the workaround for clock_casts [explained here](https://github.com/microsoft/STL/issues/2446#issuecomment-1385952999). Check out the last line - it avoids clock_casts by doing some manual calculations.