Outlook 2010 never completes indexing.

I have a client that relies heavily on indexing to search her 7GB email file.  I have already tried the following:

1) Delete email profile and created a new one.

2) Repair installion of Office 2010.

3) Repaired Inbox using "Inbox Repair Tool".

4) Compacted Inbox (from 9.5GB down to 7.4GB).

5) Rebuilt Indexes and allowed an entire weekend for indexing to complete ... but it never does.


There are a ton of hits on Google about this very problem, but I have yet to find a successful answer.

She is running Windows 7 (64-bit) with Office 2010 (32-bit).


On paper, outlook 2010 should be able to handle 7GB PST file, but in practice users face a lot of issues if PST file size exceeds 1.5 – 2 GB mark.

In these cases, indexing will never end or just restarts without warning.


I would recommend you to split the PST file into smaller PST file and check outlook.

1.       Create few new personal folders for Outlook.

2.       Move the mails from old PST file to new PST file.

3.       Compact the old PST file.

4.       Wait for couple of days for indexing to complete

5.       Check outlook.

Note: Make sure that new PST file size does not exceed 1.5 GB.


Marcus DAlmeida

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Question Info

Last updated December 6, 2018 Views 3,360 Applies to: