Uploaded May 2021 | Updated September 2026, 2 weeks ago
Sometimes your excel files get corrupted. The first thing you should try is to set permission to file if you copied it from some other computer. After that try to repair your excel files with built in Excel feature "Open and repair". If you still have problem, try to restore file to previus version. If you still can't open file, thne your file is probably unrecoverbly lost.
Sometimes your excel files get corrupted. The first thing you should try is to set permission to file if you copied it from some other computer. After that try to repair your excel files with built in Excel feature "Open and repair". If you still have problem, try to restore file to previus version. If you still can't open file, thne your file is probably unrecoverbly lost.
![Convert clock to 18650 battery Li-on [Tutorial]](https://i.ytimg.com/vi/Ip8Q24aqX8s/mqdefault.jpg "Convert clock to 18650 battery Li-on [Tutorial]
In this video, I’ll show you how to convert a device that runs on AA batteries to use 18650 lithium-ion cells instead. Upgrading to 18650 cells can increase your devices battery life, power output, and overall performance. This DIY battery upgrade is perfect for anyone looking to improve their gadgets while keeping them eco-friendly by using rechargeable cells.")
