Were you affected by the The Sims 4 August 2025 update and had to spend hours doing the 50/50 method? I created a standalone program that may help you the next time.
LE Formatter is a standalone LastException file viewer, which comes with a few nice quality of life features:
Automatic opening of new LE files while the game is running. (Can be disabled)
Automatic closing of open LE files when a new TS4 game session is started, can be disabled together with the last option.
Keeps an index of script files, so script file paths can be automatically associated with certain mods or the base game. So the user may not have to look through the script paths.
Automatic re-indexing of your mods folder if you add or remove mods. (Can be disabled and done manually)
Ability to partially import MCCC's reports. Only done automatically if Better Exceptions (BE) is also not installed, as MCCC sometimes keeps the LEs only to its own report if BE is also not installed.
Support for all languages that The Sims 4 also supports. Albeit, translated through AI and the linked Q&A is only in English.
It may help you when trying to find out what is causing your LEs, if not other options are available.
Also, please do not call it "LE Viewer" or "LE Reader".
Showcase/Video usage guide
Can I use it while also using BE and/or MCCC?
Yes. It is actually encouraged to use them. As MCCC's report is accepted by a lot of support servers and BE's report also gives a nice summary of what might be wrong.
LE Formatter is however a good last resort if you want to figure it out yourself before doing the 50/50 method, as it is completly detached from the game process and may be useful in the case that, for example, BE doesn't generate a report like for some people with the late August 2025 update.
Why Windows only currently?
I don't own a single piece of Apple hardware. I will look at a later date into it.
NOTE: Read either the full description on ModTheSims or Itch.IO
ModTheSims
http://www.modthesims.info/d/694668
SimFileShare
https://simfileshare.net/folder/260637/
Itch.IO [When downloading just click on "No thanks, just take me to the downloads" if you want it for free. Don't feel obligued to give me something.]
https://johnbaccarat.itch.io/ts4-le-formatter
Github
https://github.com/JohnBaccaratDev/TS4-LE-Formatter/releases