: This indicates the year (2023) and the month (01 - January) of the release.
The text you provided refers to a specific update release for (now Microsoft 365) from early 2023. Version Breakdown
If you are seeing this text while troubleshooting or checking your software status, here are two quick actions you can take:
This specific version was part of the Current Channel release. According to Microsoft Support , these updates typically include: : Performance improvements for large spreadsheets.
: This identifies the specific minor update or "patch" within that January release. ⚡ Key Highlights of Version 2301
: Enhanced search features and better attachment handling.