How to Fix the "Outlook Is Using an Old Copy of Data File (.ost)" Error
By
Demetrio Parrilla
Summary
This article provides a step-by-step troubleshooting guide for fixing the "Outlook is using an old copy of your Outlook data file (.ost)" error. The issue typically arises due to corruption or sync problems with the OST file. The recommended fix involves deleting the old OST file and allowing Outlook to recreate it, along with other potential solutions like repairing the Office installation or using Microsoft's SARA tool.
Source
bskyHow to Fix the "Outlook Is Using an Old Copy of Data File (.ost)" Errorrswebsols.comKey quotes
· 3 pulledThis shows that your Outlook OST files may become damaged or corrupted because they are not properly syncing.
If you're getting a similar error in Outlook, you are in the right place to know a quick way to solve this issue.
This guide helps you to fix the 'Outlook is using an old copy of your OST' problem in a few simple steps.
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