Limitation msf size

Lionel Elie Mamane lionel at
Wed Sep 11 06:51:01 PDT 2013

On Wed, Sep 11, 2013 at 03:54:59PM +0300, Timo Pietilä wrote:
> On 11.9.2013 15:46, Dirk Schneider wrote:

>> I think the limitation is resulted of filesystem and os
>> limitations.  Most operating systems have problems using extra
>> large files.  Windows with a mail storage file larger then 2GB - I
>> don't wanna work with!

> That's ancient limit that doesn't apply anymore, but might have been
> origin of TB limit. FAT32 had 4GB limit, NTFS limit is a bit under
> 16TB.

I don't think the Windows limit is the "source" of the Thunderbird
limit; Thunderbird uses 32-bit integers for offsets within the single
mbox-format file (in-memory and in the .msf file).


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