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TLG File

What are TLG files and how to open them

Are you having problems opening a TLG file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your TLG files.

What is a TLG file?

TLG files have multiple uses, and QuickBooks Transaction Log is one of them. Read more about the other uses further down the page.

QuickBooks Transaction Log

The .tlg file extension is most commonly used by the QuickBooks accounting application. The TLG files are log files created by the software.

QuickBooks stores its data in QBW files, but changes (inserts, updates, or deletions) that have not yet been written to the QBW file are stored in a transaction log file. The TLG files are stored in the same directory as the corresponding QBW file.

How to open TLG files

We have identified one TLG opener that is compatible with this specific type of TLG file.

Programs that open QuickBooks Transaction Log files


Last updated: July 30, 2023

All known file formats using extension .TLG

While QuickBooks Transaction Log is a popular type of TLG-file, we know of 2 different uses of the .TLG file extension. Different software may use files with the same extension for different types of data.

KiriKiri TLG Bitmap

We know that one TLG format is KiriKiri TLG Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

While we have not verified the apps ourselves yet, our users have suggested four different TLG openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of TLG files. Remember, different programs may use TLG files for different purposes, so you may need to try out a few of them to be able to open your specific file.

ThereThereUser submitted
TLGTLGUser submitted
PCS Datalog ViewerPCS Datalog ViewerUser submitted
TCI Datalog ViewerTCI Datalog ViewerUser submitted

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File.org helps thousands of users every day, and we would love to hear from you if you have additional information about TLG file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.