Outlook Version 15.39

The contents of the download are original and were not modified in any way. The download was scanned for viruses by our system. We also recommend you check the files before installation. The download version of Duplicate Finder for Outlook Express version is 2.27.15.39. This forum is for general questions and feedback related to Outlook (all versions) as they pertain to the IT Pro community. 15:39 PM uglysumo99 0. Sign in to vote. The contents of the download are original and were not modified in any way. The download was scanned for viruses by our system. We also recommend you check the files before installation. The download version of Duplicate Finder for Outlook Express version is 2.27.15.39.

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Of recent have noticed that Outlook for MacOS Sierra on O365 E3 won't open some attachments randomly. I can see the email has an attachment but its greyed out and I cant open it.

I can see and open the attachment via OWA and on my phone but not on Outlook for Mac 2016. There are a few emails with the same issue and it is NOT specific to a sender or an attachment type. The OS version is 10.12.6, and the Outlook version is 15.39. Would appreciate some quick support as this is on corporate email and some attachments are too huge to open on my phone.

MacBook Pro, macOS Sierra (10.12.6)

Posted on

Questions and answers

2561
What do Synchronization Log error messages mean in Outlook?

Sometimes you may receive an email, apparently from yourself, with the Subject line 'Synchronization Log:' and the content may look something like this:

15:46:16 Synchronizer Version 14.0.6131
15:46:16 Synchronizing Mailbox 'Ann Other'
15:46:16 Synchronizing local changes in folder 'Deleted Items'
15:46:16 Uploading to server 'ex-cas1.ad.susx.ac.uk'
15:46:16 Synchronization of some deletions failed.
15:46:16 [0-130]
15:46:16 1 item(s) deleted in online folder
15:46:16 Done

Your name (or the name of the mailbox) would be shown where we have used 'Ann Other' as an example here. The time shown on the left of the lines in the message indicate the time the sychronizer log entry was made, and will probably match the time the message was sent to you.

This is probably happening if you're using Outlook in Cached Exchange Mode and there is a problem with the caching file on your computer. You may also receive apparently false 'mailbox full' warnings.

The simplest solution is to switch off Cached Exchange Mode. To do this, follow the instructions in FAQ 2348.

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