| Subject | Welsh | English |
| comp., MS | adroddiad log ymholiadau chwilio | search query log report (A report that is generated from query log information. For example, a search query log report might include the number of queries that were executed every day over the past thirty days) |
| comp., MS | cofnod log | log entry (A record in a log file) |
| comp., MS | ffeil log trafodyn | transaction log file (A file that contains a record of the changes that were made to an Exchange database. All changes to the database are recorded in the transaction log files before they are written into the database files. If a database shuts down unexpectedly, unfinished transactions can be restored by replaying the transaction log files into the database) |
| comp., MS | lefel log | log level (The amount of information that is stored in a log file for a transaction. Log levels can be represented by numbers or by words from the most to the least verbose) |
| comp., MS | log archwilio blwch post | mailbox audit log (A log that is generated for each mailbox that has mailbox audit logging enabled. Log entries are stored in the Audits subfolder of the audited mailbox Recoverable Items folder) |
| comp., MS | log archwilio gweinyddwr | administrator audit log (An auditing record that records any action, based on a Windows PowerShell cmdlet, performed by an administrator. This can help the administrator troubleshoot configuration issues or identify the cause of security- or compliance-related problems) |
| comp., MS | log cofnod newid proffil defnyddiwr | user profile change entry log (A repository that logs all of the changes that take place in a user profile) |
| comp., MS | log data allanol lefel-tenant | tenant-level external data log (An error log that contains errors and exceptions that occur when SharePoint tries to connect to external systems through Business Connectivity Services. It can be retrieved by tenant administrators) |
| comp., MS | log gwallau | error log (A file that lists errors that were encountered during an operation) |
| comp., MS | log gwe | web log (A frequently updated online journal or column) |
| comp., MS | log gweddillion wrth gefn | tail-log backup (A log backup taken from a possibly damaged database to capture the log that has not yet been backed up. A tail-log backup is taken after a failure in order to prevent work loss) |
| comp., MS | Log Telemetreg Office | Office Telemetry Log (A feature that displays an Office event log in Excel format and helps the user to find and resolve known compatibility issues for Office files and solutions) |
| comp., MS | log ymholiadau chwilio | search query log (A record of information about user searches, such as search terms and time of access) |
| comp., MS | log ymlusgo | crawl log (A set of properties that provides information about the results of crawling a display URL. The information includes whether the crawl was successful, the content source to which the display URL belongs, and the level, message, time, and identifier for any errors that occur) |
| comp., MS | newid log | change log (The log where the quorum resource stores data. This data is maintained by the clustering software) |
| comp., MS | Rheolwr Lefel Log | Log Level Manager (A Project Server logging infrastructure that improves efficiency by enabling admins to customize logging levels for project entities) |