Hi Claudia, Not being an expert or anything (perhaps I shouldn't reply then :P ) I think the key thing is 1. Selecting large amount 2. Error message saying out of memory or system resources Perhaps you are running out of memory when you select a large amount of emails, and therefore need to free up some more memory before selecting large amount of emails or you need to not select a large amount of emails If this is the case then it is beyond the scope of this group, but you can try looking for virtual memory settings by right clicking on you're my computer and searching for the virtual memory option (in advanced) and release more memory, or clean up your computer a bit so that it isn't holding onto so much baggage Or there is a real problem, and I'm too new to know :P I found Linda's reply to someone with the same problem from way back in 2002 From: "Linda F. Johnson" <linda@xxxxxxxxxxxxxxxxxxxxxxxxxxx>=20 To: mso@xxxxxxxxxxxxx=20 Date: Fri, 25 Oct 2002 19:06:39 -0400=20 Hey John...I'm not sure if this will help you, but I did find one message on the outlook forum at MS Newsgroups that refers to excheim.dll....and here it is: http://snurl.com/8n4 It definitely seems to be related to moving more messages than Outlook can handle at one time. (If you click on the link at the upper right of this forum post that shows you all three messages in this thread, you will see Outlook MVP Sue Mosher's reply at the end) Good luck with this one. -----Original Message----- From: mso-bounce@xxxxxxxxxxxxx [mailto:mso-bounce@xxxxxxxxxxxxx] On Behalf Of Lazar, Claudia Sent: Wednesday, 31 May 2006 7:54 AM To: mso@xxxxxxxxxxxxx Subject: [mso] Microsoft Outlook - ExchEIM.dll error Hi All, In Microsoft Outlook, when selecting a large number of emails (around 200 or so) via Ctrl-A or shift, the following error comes up: "The add-in "ExchEIM.dll" could not be installed or loaded. This problem may be resolved by using Detect and Repair on the Help menu. Out of memory or system resources. Close some windows or programs and try again." This becomes a problem if the number is very large. We have software that integrates with Outlook, for example DOCS Open, IPFX for Outlook, and Quest Archive manager. I noticed that back in 2002, someone posted into this site with the same issue, but there was no solution.=20 Has anyone experienced this error or knows of what may be causing it? Thankyou Kind regards, Claudia=20 ********************************************************************* This e-mail, including any attachments, is confidential to the intended recipient. It may also be privileged. If you have received this message in error, please notify the sender immediately and delete all copies of the e-mail. Any confidentiality or privilege is not waived. Neither the Council nor the sender warrant that this e-mail does not contain any viruses or other unsolicited content. This e-mail is an informal Council communication. 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