Sent Items & Contacts Do Not Download to Outlook (Maybe Large Mailbox Issue)

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ethicalcomputing
Posts: 8
Joined: Fri May 23, 2025 12:20 pm

Sent Items & Contacts Do Not Download to Outlook (Maybe Large Mailbox Issue)

Post by ethicalcomputing »

Hi.

Has anyone seen an issue where very large mailboxes do download Sent Items & Contacts when making a new OL profile?

We have one mailbox over 100GB that we may well have to downsize to a more sensible size.

MS Office LTSC Pro Plus 2024
ZCO Client 1984 Server 10.0.14

We've got past the ZDB size issue with a regedit but the Sent Items & Contacts are not downloading from the server.

Currently trying a headers only sync to see if this improves matters.
ethicalcomputing
Posts: 8
Joined: Fri May 23, 2025 12:20 pm

Re: Sent Items & Contacts Do Not Download to Outlook (Maybe Large Mailbox Issue)

Post by ethicalcomputing »

An update:

No problem at all using Outlook 2019 or Outlook 2021. Seems to be Outlook 2024.
ethicalcomputing
Posts: 8
Joined: Fri May 23, 2025 12:20 pm

Re: Sent Items & Contacts Do Not Download to Outlook (Maybe Large Mailbox Issue)

Post by ethicalcomputing »

And another update:

OL 2024 is certainly *worse" at handling these large mailbox sizes but I have now got OL 2024 working too. Thorough application of the usual regedits, reboots and leaving them overnight to download has worked great.
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