Any file that contains records corresponding to application or operating system events or conditions, usually arranged sequentially by time. Log files are usually delimited text files (such as .csv files) in which each line represents a transaction or logged event, with individual data fields separated by delimiting characters such as commas.
Delimited text files can be imported into spreadsheet programs such as Microsoft Excel, database programs such as Microsoft Access, and report and analysis tools such as Crystal Reports for further analysis and graphical display of trends and usage patterns.
“Relogging” is the process of taking a log file and sampling it at larger time intervals to reduce the size of the file for archiving purposes while maintaining the overall trend of data within the log.
Numerous processes within the Microsoft Windows operating systems and the Microsoft BackOffice applications maintain logs. Some log functions include the following: