IMAP Limitations with Outlook 2013?

[Robert Schetterer]

Am 19.11.18 um 18:49 schrieb Robert Adkins:
> Good Day!
> 
>                  I have a fairly new user on my network that has, over 
> about 10 months, created in root inbox and nested sub-folders totaling 
> over 900 individual folders.
> 
>                  In the past few weeks, newly created folders will be 
> visible in Outlook 2013, but when an email is moved into that folder, it 
> is no longer visible. I can ssh into the server, drill down to that 
> sub-folder and see the email in the folder AND it is also available to 
> be seen without issue in Thunderbird.
> 
>                  I know this is a longshot, but if there is some feature 
> that I haven’t found in Dovecot to force Outlook to synchronize with all 
> the folders/sub-folders, please let me know.
> 
>                  Beyond that… With this particular users habits, over 
> the next 5 years, there could be nearly 10,000 folders/sub-folders. Does 
> anyone know if this will create any problems with Dovecot or is this 
> JUST a Microsoft software problem?
> 
> --
> 
> Best Regards,
> 
> Robert Adkins
> 
> IT Manager/Tool Designer
> 
> Impel Industries, Inc.
> 586-254-5800
> 

perhaps this helps

https://support.microsoft.com/en-gb/help/2768656/outlook-performance-issues-when-there-are-too-many-items-or-folders-in

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