Office 2016 For Mac Rebuild Database

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Office 2016 for Mac automatically repairs and rebuilds the Office database if a problem such as Outlook data corruption occurs. This is an upgrade from Office 2011 for Mac, in which you had to manually rebuild the Office database if there was a problem.

Outlook 2016 Database Repair

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  1. Mar 31, 2017 Despite having Microsoft Release updates on how to fix Office for Mac issues, there are reports for Office crashing and freezing. The most common method to fix it is rebuilt Office 2016 for the Mac Database. How to Create a New Identity? In Mac Office 2016, Office Database Rebuild is an automatic process. Follow the steps below: Go to.
  2. To use the database, you must rebuild it using the Database Utility.' When I attempt to use this utility, steps 1 through 5 are to be completed. It cannot make it past step 1 without telling me the database cannot be rebuilt.

Outlook 2011 had a proprietary database format and we (as users) had very few options to work with it.
Outlook 2016 now uses a sqlite3 databases for its identity (just like Mail).
While there is very little we can run from the app itself in terms of maintenance or troubleshooting, in theory we should be able to tap straight into the database through sqlite3 itself.

DatabaseOffice

********* NONE OF THIS IS PUBLISHED/APPROVED/SUPPORTED BY MICROSOFT FOR OUTLOOK FOR MAC *********

Office 2016 For Mac Rebuild Database Download

As none of this is officially supported, I would recommend
1) BACKUP the database before anything.
You need to backup the three files:

  • Outlook.sqlite
  • Outlook.sqlite-shm
  • Outlook.sqlite-wal

That are in the ~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile/Data folder.

2) QUIT Outlook. You can’t run anything safely on the identity if it’s still in use in Outlook itself.

Office 2016 For Mac Rebuild DatabaseMac

• You can check the integrity of the database with the command:
(triple-click the command to select all, then copy)
/usr/bin/sqlite3 ~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile/Data/Outlook.sqlite 'PRAGMA integrity_check'

If everything is fine, the Terminal will return “OK”
If you get a warning there, then obviously something in wrong in the database. In theory, Outlook should detect issues and automatically attempt to fix them, but there are been reports in the forums of identity failures and users no longer able to open up their identities. It might be worth attempting other “rescue” operations in these cases using additional commands like “.dump” etc. (which is beyond the point of this post: search for your favorite sqlite How To or Forum page for additional information on how to repair a corrupted sqlite3 database).

Office 2016 For Mac Rebuild Database Software

• A number of websites have illustrated how “vacuuming” the envelope index could help speed things up and trim the database in Mail. I figured that the same should apply to Outlook too.
I ran the command in Outlook and the database shrunk a bit. No problem within Outlook whatsoever on my Mac, but who knows… (hence the very very strong suggestion to make a backup).
“Vacuuming” will rebuild the database file, reclaiming free space and defragmenting tables and index. I’m not sure whether Outlook is currently using auto_vacuum or not, but I have read reports of abnormally large Outlook database files which makes me suspect it’s not always taking place as it should if it is even enabled.

Office 2016 For Mac Rebuild Database Engine

You can vacuum the database using:
(triple-click the command to select all, then copy)
/usr/bin/sqlite3 ~/Library/Group Containers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile/Data/Outlook.sqlite vacuum

Office 2016 For Mac Rebuild Database Engine

On Answers, Michal Palat provides additional options that can allow you to rebuild the sqlite3 database by exporting the data to an ASCII “dump” and recreating a new one based on the output:
answers.microsoft.co…