Repair .XLSB File Errors    |    Scan for .XLSB File Extension Errors    |    What is the .XLSB File Extension?

Run a Free Scan to check for XLSB related errors.

What is the .XLSB File Extension?

.XLSB File Extension Description:

The Excel spreadsheet saved through Office 2007 with a binary data format utilizes the XLSB file extension. The file extension XLSB, considered as a binary format of Excel, is considered as the second complete fidelity format geared for the Excel 2007 program; next to XML file formats of Office Open, i.e. XLSM, XLSX, XLTM, XLTX, and the XLAM. Files with the .xlsb file extension are still similar to the Open Office XML format with regard to the structure, which encompass an array of related parts in a container. However, each part of the files with the .xlsb file extension contains binary data instead of XML.

The primary function of the file extension XLSB is to provide an efficient container for Excel documents, in terms of opening and saving. Thus, usage of the XLSB file extension can often lead to improvements in the performance of workbooks that contain huge amounts of data, or those that require a great deal XML parsing during the opening process. Additionally, files with the .xlsb extension can contain macros, i.e. XLM and VBA. This means there is not one file with the .xlsb file extension that exists without macro.

In many aspects, the file extension XLSB has functionalities similar to that of the XML file format. Evidently, files with the .xlsb file extension have approximately the same file size as XML files, since both formats are saved to the user's disk via a zip compression procedure. The following is a list of the functionalities of the XLSB file extension, similar to XML files.

* Files with the .xlsb file extension use the same packaging structure and can have the same part-level structures.

* When loaded into the memory, the file extension XLSB has no effect on the speed of the application and/or calculation.

* Lastly, files with the .xlsb file extension also have the same converter support with XML files.

Author: Microsoft
Author URL:
Related Applications: Microsoft Excel
Common Path: N/A


Run a Free Scan to check for XLSB related errors & to optimize PC performance.

Do you have errors with .XLSB files?

The Reason for .XLSB files Errors:

.XLSB files errors are possibly serious Windows registry errors and many times are brought on due to a broken registry entry that should be fixed right away to avoid further corruption in other software and/or hardware. During the time the errors persist your computer stays capable of possible blue screen errors, hardware failure and fatal crashes.

Symptoms of .XLSB files Errors:

.XLSB files error symptoms include program crashes, start up or shut down problems, slow personal computer operation, laggy behaviour, screen halts, beeping sounds, problems opening documents as well as issues during application installation.

Helpful Tools

The following products are free to try. We have found them to be of the highest quality and value. They have been extremely useful in our own pc troubleshooting and maintainance and we highly recommend trying them out for yourself.

Anti-Malware Pro

With a lightning fast free scan and the largest authentic spyware detection database we have seen, Anti-Malware Pro finds and removes threats to your PC stability and security. Download Anti-Malware Pro


DriverFinder will scan your system for driver and software updates. Its easy to use interface makes keeping your drivers updated quick and simple. They will even send you an email notification when new driver updates are available for your system! It doesn't get any more convenient than this. Download DriverFinder

Browse File Extensions by Name:

Is your File Extension missing?

Help us to make the best resource we possibly can by submitting you very own file extension details. If you have detailed information on any file extensions please let us know by visiting the following link.

Submit File Details Form

Repair .XLSB File Errors    |    Scan for .XLSB File Extension Errors    |    What is the .XLSB File Extension?