Outllook Office Excel big Log File Temp Folder Disk Space Full

Question

One of my customers is using Microsoft Office 365 package like ExceL under Windows 11

There are many .log file created in the temp folder (file name: hostname-.date-random number.log) ..) which is consuming lots of disk space.. in 1 - 2 day 100 Gig of space taken .

We have to manually delete those files but they comes as my users uses Excel

PS: Her Windows 11 / Office APP updated

How to disabled those DATA collection / diagnostics ?

============ Below the first few lines ==========================

Timestamp Process TID Area Category EventID Level Message Correlation

09/20/2024 11:16:33.940 WINWORD (0x15a4) 0xa94 Microsoft Word Logging Liblet a2lez Medium Logging liblet initialized.

09/20/2024 11:16:33.940 WINWORD (0x15a4) 0xa94 Microsoft Word Activity bjtct Medium ActivityStarted {"Name": "Office.Diagnostics.Collector.LibletInit", "CV": "o1MFJpkmEkmSWLKkSkrkQg.1.9", "ProcessIdentifier": "WINWORD.EXE_16.0.18025.20058_X86_{260553A3-2699-4912-9258-B2A44A4AE442}"}

=========================================================

Thank you

Norm

Answer 1

Hi

Kindly refer the below article to turn off the diagnostic logs on Windows/Mac/iOS.

https://support.microsoft.com/en-us/office/diagnostic-data-in-microsoft-365-f409137d-15d3-4803-a8ae-d26fcbfc91dd

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