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How to Defrag Opera's Mail Files
If mail operations in Opera are running a little slower than normal, some of the mail files might be fragmented and defragmenting them might help.There are a few different ways to defrag Opera's mail files. Just make sure you close down Opera first.
* Just defrag your whole hard drive using your OS's defrag program or some 3rd-party defrag program.
* Move the file/folder to another drive and then move it back.
* Right-click on the file/folder and choose "copy". Then, right-click on the folder it's in and choose "paste" to create a copy of the file/folder. Then, delete the original. Then, rename the copy to have the name of the original.
* On Windows, use Contig on the command line to defrag just Opera's mail files.
For example, in a Win7 command prompt, you'd type these commands:
cd "%LocalAppData%\Opera\Opera" set "path=path_to_directory_contig.exe_is_in;%path%" contig -s "mail\*.*"
Usually, you only need to defrag the database (omailbase.dat) and the indexer files in the indexer and lexicon folders, and maybe index.ini.