: It is generally safe to delete these files if Excel is closed, as they are recreated when needed.
The file is typically associated with Power Query (now known as Get & Transform) in Microsoft Excel . It is a system-generated temporary file or part of a data cache used when processing large datasets. PQ12Nt1.7z
While the file itself isn't a tool you interact with directly, its presence highlights the following helpful features of the Power Query engine: ⚡ Core Features of the Underlying System The .7z extension indicates 7-Zip compression . It shrinks massive datasets to save disk space. It makes background data processing faster. Background Refresh This file helps Excel handle data in the background . You can keep working while Excel "crunches" numbers. It prevents the interface from freezing during imports. Cache Management It stores temporary snapshots of your data queries. This allows for "Fast Combine" features. It speeds up repetitive data loading tasks. Memory Efficiency By offloading data to this temporary file, Excel saves RAM . : It is generally safe to delete these
: In Excel, go to Data > Get Data > Query Options > Data Load and click Clear Cache . While the file itself isn't a tool you