You create backups in Version 11 backup format. You notice, that large (up to several GB) .meta files are written into the %temp% folder.
Metadata files are part of Version 11 format design; these files contain information about archive contents structure. Usually, these files occupy just a few KB, however, for large and/or application backups the metadata files can grow up to several GB in size.
Switch to Version 12 format. This is a new archive format that does not require .meta files.
To switch to Version 12:
- Create a new backup plan.
- Click the gear icon to open Backup options:
- In Backup format, select Version 12: